Vocabulary

  • have to: Must do
  • on earth: Used to emphasize a question expressing surprise or anger.
  • into space: Toward or entering the region beyond Earth's atmosphere.
  • to the moon: Increasing quickly and significantly, often in value or excitement.
  • talking about: To discuss a particular topic.
  • think about: To consider something carefully.
  • in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
  • got to: To arrive at some place
  • out of it: Unconscious or not completely alert; dazed or confused.
  • slow down: To reduce the speed
  • go on: To continue doing something
  • at least: As a minimum
  • think of: To look on as (being something specific); consider
  • look at: To use your eyes to focus on something
  • tear up: To cause someone much grief
  • in order to: For the purpose of; with the aim of.
  • close up: A photograph or film shot taken of a subject at close range.
  • all the things: Everything; all items or aspects
  • tuned to: To adjust a radio receiver to the frequency of a particular station.
  • instead of: When one thing is replaced by another
  • talk about it: To discuss a particular subject.
  • outside of: Located or situated beyond the boundaries or confines of something.
  • work on: To devote effort to improve or develop something
  • figure out: To understand the behavior of someone
  • in principle: In theory; as a general idea, though not yet in practice or detail.
  • hold on: To wait for someone (e.g. on a phone call)
  • of course: Sure ; Certainly
  • light up: To illuminate something; to make something brighter with light.
  • go around: (Of news, gossip) to be known; circulate
  • in time: Eventually; after a period of time.
  • speed up: To move more quickly
  • way to go: An expression of encouragement or approval.
  • to do with: To be about something; concern
  • fill in: To put earth in e.g. a hole
  • for instance: As an example.
  • in the world: Used to emphasize a question expressing surprise, confusion, or disbelief.
  • at heart: In one's real or essential nature; fundamentally.
  • think through: To consider carefully so all points are covered
  • up there: In or to a higher place or position; far away.
  • on display: In a place where something can be seen by the public.
  • coming over: To change sides in a discussion
  • closer than: Nearer in distance compared to something else.
  • down the road: At a future time; in the future.
  • color in: To fill a drawing or space with color, often in artwork.
  • back then: At that time in the past.
  • get a sense: To understand or perceive something intuitively.
  • conjure up: To make something appear as if by magic.
  • big whoop: A sarcastic expression of disinterest or contempt.
  • in school: Attending an educational institution.
  • in a heartbeat: Immediately; without hesitation.
  • been there, done that: To have already experienced something and be tired of it.
  • out there: In or to a place that is far away
  • just kind of: Used to express a feeling or state in a vague or hesitant way.
  • set up
  • around the world: In or to many countries.
  • on the ground: Located on the surface of the earth.
  • in all fairness: Considering all facts impartially and justly.
  • with it: Intelligent, alert, and up-to-date.
  • get back to: To get in contact with someone again
  • on a mission: Having a clear and important goal or purpose.
  • go ahead: To start an activity; start doing, working etc.
  • break apart: To separate into pieces; disintegrate.
  • bring together: To cause people to be friendly or to work well with each other.
  • at minimum: At the lowest or smallest amount or degree.
  • back out: To say you will now not do something you promised
  • as a matter of fact: In reality; actually; used to emphasize the truth of a statement, often when it differs from what someone might expect or believe.
  • land on: To come down to the ground or another surface after flying or falling.
  • come out with: To go out with someone on a date
  • pull off: To manage to succeed
  • check out
  • mix it up: To vary or do things differently; to introduce variety.
  • whole point: The main purpose or most important aspect of something.
  • on the way: During the journey to a particular place.
  • being bold: The act of being courageous and daring.
  • in practice: In reality or actual use; as opposed to in theory.
  • live life: To enjoy life and make the most of every moment.
  • from scratch: From the very beginning; from nothing.
  • hanging out: To spend time with your friends
  • left out: To forget; omit
  • disagree with: To have a different opinion from someone else.
  • for the better: Resulting in improvement; to a more favorable condition.
  • answer to: To be responsible to someone and have to explain your actions to them.
  • come back: To reply to someone, often forcefully
  • in the future: At a later time; in times to come.
  • in different ways: Using various methods or approaches; with variety.
  • run behind: Be late or delayed compared to planned time.
  • in the way: Obstructing someone or something; hindering progress.
  • stuff: Generic description for things, materials, objects
  • sort: To organize things by putting them into groups
  • commitment: Permanent love or concern for person, thing
  • journey: Act of traveling from one place to another; trip
  • sense: Certain mental feeling or emotion
  • imagine: To think creatively about; form mental picture of
  • exist: To be present, alive or real
  • fuel: To give power to (a mob, anger, etc.); incite
  • universe: All of space that contains planets and stars
  • endeavor: To attempt or make effort to do something
  • orbit: Path an object takes as it circles another object
  • challenge: An activity you wish to try that may be hard to do
  • astronaut: Person who travels in space
  • planet: One of the bodies that orbit the sun
  • spark: Small piece of burning material produced by fire
  • distance: Lack of friendliness toward another person
  • tissue: Substance formed by cells of living thing; flesh
  • theoretically: As regards ideas that could be true
  • energy: Physical or mental strength
  • platform: Flat, raised structure that people stand on
  • satellite: Device sent into space that aids communication
  • tear: Drop of salty water from the eye
  • chemical: Basic substance produced by mixing elements
  • enterprise: A business or organization
  • lot: What happens to a person in life from chance; fate
  • friction: Disagreement between two or more people
  • technology: Use or knowledge of science in industry etc.
  • science: Study of the physical world, based on facts
  • system: Set of organized, planned ideas that work together
  • fact: Something that is known or proved to be true
  • mission: A task or role someone is given to do
  • fusion: Combining various things to make something new
  • public: Owned by the government
  • bring: To take or go with someone to a place
  • solar: Concerning the sun, or its heat
  • medical: Of or relating to physical health or medicine
  • land: Region or country
  • question: To ask for or try to get information
  • space: Empty area kept for a specific reason, like a car
  • fast: In a way that is difficult to move or change
  • part: Division of a book
  • rocket: Powerful engine that releases hot gases
  • real: Actually existing or happening, not imagined
  • theoretical: Concerning the unproved aspects of a subject
  • exploration: Act of examining something to learn about it
  • trek: Slow or difficult journey
  • interstellar: Being in the space between stars or star systems
  • shuttle: Vehicle carrying passengers between two places
  • spacecraft: Vehicle capable of traveling to outer space
  • physicist: Person who studies and works in physics
  • woo: (Of a man) to try to get a woman to marry him
  • overview: A description of the main points; summary
  • engineering: The practical application of science to industry
  • gram: Metric unit of weight equal to 1/1000 of a kilo
  • whoa: Tell someone to do something more slowly
  • alpha: First letter in the Greek alphabet
  • fission: Form of nuclear energy where particles combine
  • spaceship: Spacecraft designed to travel into space
  • antimatter: Matter consisting of elementary antiparticles
  • voyager: Traveler to a distant land (especially by sea)
Placeholder Image

    Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • all the things

      US

      UK

      • Pronoun
      • Everything; all items or aspects
      • Determiner
      • Every item or object being considered or discussed.
      A1
      More
    • alpha

      US /'ælfə/

      UK /ˈælfə/

      • Noun
      • First letter in the Greek alphabet
      • Adjective
      • Most powerful (animals of the same sex)
      B1
      More
    • answer to

      US

      UK

      • Phrasal Verb
      • To be responsible to someone and have to explain your actions to them.
      • To correspond to or match a description or requirement.
      A1
      More
    • antimatter

      US /ˈæntɪˌmætɚ, ˈæntaɪ-/

      UK /ˈæntimætə(r)/

      • Uncountable Noun
      • Matter consisting of elementary antiparticles
      C2
      More
    • around the world

      US /əˈraʊnd ði wɜrld/

      UK /əˈraund ðə wɜː(r)ld/

      • Phrase
      • In or to many countries.
      • In various places throughout the world.
      A2
      More
    • as a matter of fact

      US /æz e ˈmætɚ ʌv fækt/

      UK /æz ə ˈmætə ɔv fækt/

      • Phrase
      • In reality; actually; used to emphasize the truth of a statement, often when it differs from what someone might expect or believe.
      • In reality; actually; used to emphasize the truth of a statement, often one that contrasts with or contradicts a previous statement.
      C2
      More
    • astronaut

      US /ˈæstrəˌnɔt/

      UK /ˈæstrənɔ:t/

      • Countable Noun
      • Person who travels in space
      B2
      More
    • at heart

      US /æt hɑrt/

      UK /æt hɑ:t/

      • Phrase
      • In one's real or essential nature; fundamentally.
      A1
      More
    • at least

      US /æt list/

      UK /æt li:st/

      • Adverb
      • As a minimum
      • Not less than
      • Phrase
      • No less than; at the minimum
      • Used to indicate that something is positive in a bad situation.
      C2
      More
    • at minimum

      US /ˌæt ˈmɪnəməm/

      UK /ˌæt ˈmɪnɪməm/

      • other
      • At the lowest or smallest amount or degree.
      B1
      More
    • back out

      US /bæk aʊt/

      UK /bæk aut/

      • Phrasal Verb
      • To say you will now not do something you promised
      A1
      More
    • back then

      US

      UK

      • Phrase
      • At that time in the past.
      A1
      More
    • been there, done that

      US /bɪn ðɛr, dʌn ðæt/

      UK /bɪn ðɛə, dʌn ðæt/

      • other
      • To have already experienced something and be tired of it.
      B1
      More
    • being bold

      US

      UK

      • Noun
      • The act of being courageous and daring.
      • The act of being noticeable and attention-grabbing.
      A1
      More
    • big whoop

      US

      UK

      • Interjection
      • A sarcastic expression of disinterest or contempt.
      • Noun
      • Something considered unimportant or unremarkable.
      More
    • break apart

      US

      UK

      • Phrasal Verb
      • To separate into pieces; disintegrate.
      • To end a relationship or association.
      A2
      More
    • bring together

      US /brɪŋ təˈɡɛðɚ/

      UK /briŋ təˈɡeðə/

      • Phrasal Verb
      • To cause people to be friendly or to work well with each other.
      • To combine or unite different things, ideas, or elements.
      A1
      More
    • challenge

      US /ˈtʃæləndʒ/

      UK /'tʃælɪndʒ/

      • Noun (Countable/Uncountable)
      • An activity you wish to try that may be hard to do
      • Act of formally inviting someone to compete
      • Transitive Verb
      • To formally invite someone to compete at something
      • To question the correctness of something
      A2
      More
    • check out

      US /tʃɛk aʊt/

      UK /tʃek aut/

      • Phrase
      • Phrasal Verb
      • To find out information about something
      • To take books out of a library
      A1
      More
    • chemical

      US /ˈkɛmɪkəl/

      UK /ˈkemɪkl/

      • Noun (Countable/Uncountable)
      • Basic substance produced by mixing elements
      • The branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
      • Adjective
      • Made of various elements
      A2
      More
    • close up

      US /kloz ʌp/

      UK /kləuz ʌp/

      • Countable Noun
      • A photograph or film shot taken of a subject at close range.
      • Adverb
      • To move nearer to someone or something.
      A1
      More
    • closer than

      US

      UK

      • Phrase
      • Nearer in distance compared to something else.
      • Having a stronger emotional bond compared to someone else.
      A1
      More
    • color in

      US /ˈkʌlər ɪn/

      UK /ˈkʌlə ɪn/

      • other
      • To fill a drawing or space with color, often in artwork.
      A2
      More
    • come back

      US /kʌm bæk/

      UK /kʌm bæk/

      • Phrasal Verb
      • To reply to someone, often forcefully
      • To be remembered
      A1
      More
    • come out with

      US /kʌm aʊt wɪð/

      UK /kʌm aut wið/

      • Phrasal Verb
      • To go out with someone on a date
      • To say something, especially something surprising or controversial.
      A1
      More
    • coming over

      US

      UK

      • Phrasal Verb
      • To change sides in a discussion
      • To visit someone's home
      A1
      More
    • commitment

      US /kəˈmɪtmənt/

      UK /kə'mɪtmənt/

      • Noun
      • Permanent love or concern for person, thing
      • Promise or decision to do something for a purpose
      A2
      More
    • conjure up

      US

      UK

      • Phrasal Verb
      • To make something appear as if by magic.
      • To bring a memory, feeling, or image to your mind.
      A1
      More
    • disagree with

      US /ˌdɪsəˈɡri wɪð/

      UK /ˌdisəˈɡri: wið/

      • Phrasal Verb
      • To have a different opinion from someone else.
      • Intransitive Verb
      • To cause someone to feel ill or uncomfortable.
      A1
      More
    • distance

      US /ˈdɪstəns/

      UK /'dɪstəns/

      • Uncountable Noun
      • Lack of friendliness toward another person
      • Noun (Countable/Uncountable)
      • Amount of space between two places or things
      • A point or place that is far away.
      A2
      More
    • down the road

      US

      UK

      • Phrase
      • At a future time; in the future.
      • Along the street; a short distance away.
      A1
      More
    • endeavor

      US /ɛnˈdɛvɚ/

      UK /en'devə/

      • Verb (Transitive/Intransitive)
      • To attempt or make effort to do something
      • Noun (Countable/Uncountable)
      • An attempt or effort
      B2TOEIC
      More
    • energy

      US /ˈɛnədʒi/

      UK /'enədʒɪ/

      • Noun (Countable/Uncountable)
      • Physical or mental strength
      • Enthusiasm and determination.
      A2
      More
    • engineering

      US /ˌendʒɪˈnɪrɪŋ/

      UK /ˌendʒɪˈnɪərɪŋ/

      • Uncountable Noun
      • The practical application of science to industry
      B1
      More
    • enterprise

      US /ˈentərpraɪz/

      UK /ˈentəpraɪz/

      • Noun (Countable/Uncountable)
      • A business or organization
      • Task often considered difficult or challenging
      A2TOEIC
      More
    • exploration

      US /ˌɛkspləˈreʃən/

      UK /ˌekspləˈreɪʃn/

      • Uncountable Noun
      • Act of examining something to learn about it
      • The action of exploring an unfamiliar area
      A2
      More
    • figure out

      US /ˈfɪɡjɚ aʊt/

      UK /ˈfiɡə aut/

      • Phrasal Verb
      • To understand the behavior of someone
      • To think through logically to find a solution
      • Verb (Transitive/Intransitive)
      • To understand or find an answer to something.
      • To find a solution to a problem or understand something.
      A1
      More
    • fill in

      US /fɪl ɪn/

      UK /fil in/

      • Phrasal Verb
      • To put earth in e.g. a hole
      • To explain the context so that someone understands
      • Verb (Transitive/Intransitive)
      • To write or type information in a blank space.
      • To temporarily do someone else's job.
      A1
      More
    • fission

      US /ˈfɪʃən/

      UK /ˈfɪʃn/

      • Noun
      • Form of nuclear energy where particles combine
      C1TOEIC
      More
    • for instance

      US /fɔr ˈɪnstəns/

      UK /fɔ: ˈinstəns/

      • Adverb
      • As an example.
      • Phrase
      • As an example.
      • As an illustration or case in point
      B1
      More
    • for the better

      US /fɔr ði ˈbɛtɚ/

      UK /fɔ: ðə ˈbetə/

      • Phrase
      • Resulting in improvement; to a more favorable condition.
      A1
      More
    • friction

      US /ˈfrɪkʃən/

      UK /ˈfrɪkʃn/

      • Uncountable Noun
      • Disagreement between two or more people
      • Force preventing motion between bodies in contact
      B2
      More
    • from scratch

      US /frʌm skrætʃ/

      UK /frɔm skrætʃ/

      • Phrase
      • From the very beginning; from nothing.
      • From the very beginning; using new materials rather than something that already exists.
      A1
      More
    • fuel

      US /ˈfjuəl/

      UK /'fju:əl/

      • Transitive Verb
      • To give power to (a mob, anger, etc.); incite
      • To provide gas or petrol for something
      • Uncountable Noun
      • Material used to produce heat or power when burned
      A2TOEIC
      More
    • fusion

      US /ˈfjuʒən/

      UK /ˈfju:ʒn/

      • Noun (Countable/Uncountable)
      • Combining various things to make something new
      • The process in which light atomic nuclei combine to form a heavier nucleus, releasing large amounts of energy.
      B2
      More
    • get a sense

      US

      UK

      • Verb (Transitive/Intransitive)
      • To understand or perceive something intuitively.
      A1
      More
    • get back to

      US /ɡɛt bæk tu/

      UK /ɡet bæk tu:/

      • Phrasal Verb
      • To get in contact with someone again
      • To return to someone or something; to respond at a later time.
      A1
      More
    • go ahead

      US /ɡo əˈhɛd/

      UK /ɡəu əˈhed/

      • Phrasal Verb
      • To start an activity; start doing, working etc.
      • To give permission to do something
      • Intransitive Verb
      • To start or proceed with something
      • To proceed despite potential obstacles or doubts.
      A1
      More
    • go around

      US /ɡo əˈraʊnd/

      UK /ɡəu əˈraund/

      • Phrasal Verb
      • (Of news, gossip) to be known; circulate
      • To go here and there, from place to place; wander
      A1
      More
    • go on

      US /ɡo ɑn/

      UK /ɡəu ɔn/

      • Phrasal Verb
      • To continue doing something
      • To happen (usually negative)
      • Interjection
      • Used to encourage someone
      A1
      More
    • got to

      US /ɡɑt tu/

      UK /gɔt tu:/

      • Verb (Transitive/Intransitive)
      • To arrive at some place
      • To have the opportunity or permission to do something
      • Phrasal Verb
      • To appeal to the emotions of; move
      • To finally begin to start something after a delay
      A1
      More
    • gram

      US /ɡræm/

      UK /ɡræm/

      • Countable Noun
      • Metric unit of weight equal to 1/1000 of a kilo
      B1
      More
    • hanging out

      US

      UK

      • Phrasal Verb
      • To spend time with your friends
      • To spend times with friends or relax doing nothing
      A2
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • hold on

      US /hold ɑn/

      UK /həuld ɔn/

      • Phrasal Verb
      • To wait for someone (e.g. on a phone call)
      • To wait for a short time.
      A1
      More
    • in a heartbeat

      US /ɪn e ˈhɑrtˌbit/

      UK /in ə ˈhɑ:tbi:t/

      • Phrase
      • Immediately; without hesitation.
      A1
      More
    • in all fairness

      US /ɪn ɔl ˈfernəs/

      UK /ɪn ɔ:l ˈfeənəs/

      • other
      • Considering all facts impartially and justly.
      B2
      More
    • in different ways

      US

      UK

      • Phrase
      • Using various methods or approaches; with variety.
      • In varying manners or styles; not uniformly.
      A1
      More
    • in fact

      US /ɪn fækt/

      UK /in fækt/

      • Adverb
      • Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
      • Used to introduce a more detailed or surprising piece of information.
      • Phrase
      • Used to emphasize the truth of a statement, especially one that is surprising or contrary to what might be expected.
      C1
      More
    • in order to

      US /ɪn ˈɔrdɚ tu/

      UK /in ˈɔ:də tu:/

      • Preposition
      • For the purpose of; with the aim of.
      • Phrase
      • In a specific sequence or arrangement.
      • With the aim of; for the purpose of.
      C1
      More
    • in practice

      US /ɪn ˈpræktɪs/

      UK /in ˈpræktis/

      • Phrase
      • In reality or actual use; as opposed to in theory.
      A1
      More
    • in principle

      US /ɪn ˈprɪnsəpəl/

      UK /in ˈprinsəpl/

      • Phrase
      • In theory; as a general idea, though not yet in practice or detail.
      C1
      More
    • in school

      US /ɪn skul/

      UK /ɪn sku:l/

      • other
      • Attending an educational institution.
      A1
      More
    • in the future

      US /ɪn ði ˈfjutʃɚ/

      UK /in ðə ˈfju:tʃə/

      • Phrase
      • At a later time; in times to come.
      A1
      More
    • in the way

      US /ɪn ði we/

      UK /in ðə wei/

      • Phrase
      • Obstructing someone or something; hindering progress.
      • Stored or placed so as to be available or ready when needed.
      A1
      More
    • in the world

      US /ɪn ði wɜrld/

      UK /in ðə wɜː(r)ld/

      • Phrase
      • Used to emphasize a question expressing surprise, confusion, or disbelief.
      • Used to indicate the extent or degree of something, often in a superlative sense.
      A1
      More
    • in time

      US /ɪn taɪm/

      UK /in taim/

      • Adverb
      • Eventually; after a period of time.
      • Not late; with enough time to spare.
      • Phrase
      • Eventually; before it is too late.
      • According to the scheduled time; punctual.
      A1
      More
    • instead of

      US /ɪnˈstɛd ʌv/

      UK /inˈsted ɔv/

      • Preposition
      • When one thing is replaced by another
      • Adverb
      • As a substitute or alternative.
      A1
      More
    • interstellar

      US /ˌɪntərˈstelə(r)/

      UK /ˌɪntəˈstelə(r)/

      • Adjective
      • Being in the space between stars or star systems
      C1
      More
    • into space

      US

      UK

      • Phrase
      • Toward or entering the region beyond Earth's atmosphere.
      • Figuratively, entering a realm of imagination or abstraction.
      A1
      More
    • journey

      US /ˈdʒɚni/

      UK /'dʒɜ:nɪ/

      • Noun
      • Act of traveling from one place to another; trip
      • Intransitive Verb
      • To travel through a place
      A2TOEIC
      More
    • just kind of

      US

      UK

      • Phrase
      • Used to express a feeling or state in a vague or hesitant way.
      • Used to indicate something is approximately or generally similar to something else.
      A2
      More
    • land on

      US

      UK

      • Phrasal Verb
      • To come down to the ground or another surface after flying or falling.
      • To criticize someone severely.
      B1
      More
    • left out

      US

      UK

      • Phrasal Verb
      • To forget; omit
      • To exclude someone or something; to not include.
      A1
      More
    • light up

      US /laɪt ʌp/

      UK /lait ʌp/

      • Phrasal Verb
      • To illuminate something; to make something brighter with light.
      • To ignite a cigarette, cigar, or pipe for smoking.
      A1
      More
    • live life

      US

      UK

      • Intransitive Verb
      • To enjoy life and make the most of every moment.
      A1
      More
    • look at

      US /lʊk æt/

      UK /luk æt/

      • Phrasal Verb
      • To use your eyes to focus on something
      • To focus your eyes on something carefully
      A1
      More
    • medical

      US /ˈmɛdɪkəl/

      UK /ˈmedɪkl/

      • Adjective
      • Of or relating to physical health or medicine
      • Noun
      • A health check or test
      A2
      More
    • mission

      US /ˈmɪʃən/

      UK /'mɪʃn/

      • Noun (Countable/Uncountable)
      • A task or role someone is given to do
      • Special assignment given to a person or group
      B1TOEIC
      More
    • mix it up

      US /mɪks ɪt ʌp/

      UK /miks it ʌp/

      • Phrasal Verb
      • To vary or do things differently; to introduce variety.
      • To engage in a fight or physical confrontation.
      A1
      More
    • of course

      US /ʌv kɔː(r)s/

      UK /ɔv kɔː(r)s/

      • Adverb
      • Sure ; Certainly
      • Phrase
      • For sure; certainly
      A2
      More
    • on a mission

      US

      UK

      • Phrase
      • Having a clear and important goal or purpose.
      • Very determined to achieve something.
      B2
      More
    • on display

      US /ɑn dɪˈsple/

      UK /ɔn disˈplei/

      • Adjective
      • In a place where something can be seen by the public.
      • Adverb
      • Available for viewing.
      A1
      More
    • on earth

      US /ɑn ɚθ/

      UK /ɔn ə:θ/

      • Phrase
      • Used to emphasize a question expressing surprise or anger.
      • Used to emphasize that something is not possible or will not happen.
      A1
      More
    • on the ground

      US

      UK

      • Phrase
      • Located on the surface of the earth.
      • Present and available in a particular place, especially to deal with a situation.
      More
    • on the way

      US /ɑn ði we/

      UK /ɔn ðə wei/

      • Phrase
      • During the journey to a particular place.
      A1
      More
    • orbit

      US /ˈɔrbɪt/

      UK /'ɔ:bɪt/

      • Noun
      • Path an object takes as it circles another object
      • The sphere of influence or control; range.
      • Intransitive Verb
      • To go around another object (often in space)
      B2
      More
    • out of it

      US /aʊt ʌv ɪt/

      UK /aut ɔv it/

      • Adjective
      • Unconscious or not completely alert; dazed or confused.
      • Not able to think clearly or react quickly; not with it.
      A1
      More
    • out there

      US /aʊt ðɛr/

      UK /aut ðɛə/

      • Adverb
      • In or to a place that is far away
      • Existing in the universe
      • Adjective
      • Unconventional; strange; avant-garde
      • Existing or available.
      A1
      More
    • outside of

      US /aʊtˈsaɪd ʌv/

      UK /ˌautˈsaid ɔv/

      • Preposition
      • Located or situated beyond the boundaries or confines of something.
      • Beyond the scope, range, or limits of something.
      A1
      More
    • overview

      US /ˈoʊvərvju:/

      UK /ˈəʊvəvju:/

      • Noun (Countable/Uncountable)
      • A description of the main points; summary
      • A comprehensive inspection or survey.
      • Transitive Verb
      • To inspect or survey something comprehensively.
      B2TOEIC
      More
    • physicist

      US /ˈfɪzɪsɪst/

      UK /ˈfɪzɪsɪst/

      • Noun
      • Person who studies and works in physics
      B2
      More
    • planet

      US /ˈplænɪt/

      UK /'plænɪt/

      • Noun (Countable/Uncountable)
      • One of the bodies that orbit the sun
      • A different world or sphere of existence.
      • Proper Noun
      • The earth.
      A2
      More
    • platform

      US /ˈplætˌfɔrm/

      UK /'plætfɔ:m/

      • Noun (Countable/Uncountable)
      • Flat, raised structure that people stand on
      • Area from which you board a train at a station
      B1
      More
    • pull off

      US /pʊl ɔf/

      UK /pul ɔf/

      • Phrasal Verb
      • To manage to succeed
      • To remove something quickly or with force.
      A1
      More
    • rocket

      US /ˈrɑkɪt/

      UK /'rɒkɪt/

      • Noun
      • Powerful engine that releases hot gases
      • Dark green, hot-tasting salad leaf
      • Verb (Transitive/Intransitive)
      • To travel, increase, or rise very quickly
      • To increase very rapidly and suddenly.
      B1
      More
    • run behind

      US /rʌn bɪˈhaɪnd/

      UK /rʌn bɪˈhaɪnd/

      • other
      • Be late or delayed compared to planned time.
      B1
      More
    • satellite

      US /ˈsætlˌaɪt/

      UK /'sætəlaɪt/

      • Noun (Countable/Uncountable)
      • Device sent into space that aids communication
      • Natural object in space that moves around another
      B1
      More
    • science

      US /ˈsaɪəns/

      UK /'saɪəns/

      • Uncountable Noun
      • Study of the physical world, based on facts
      A2TOEIC
      More
    • set up

      US /sɛt ʌp/

      UK /set ʌp/

      • Phrasal Verb
      • To make arrangements for something; establish
      • Verb (Transitive/Intransitive)
      • To arrange or prepare something for use.
      • To start a business, organization, etc.
      A1
      More
    • shuttle

      US /ˈʃʌtl/

      UK /ˈʃʌtl/

      • Noun (Countable/Uncountable)
      • Vehicle carrying passengers between two places
      • Device used when weaving cloth
      • Verb (Transitive/Intransitive)
      • To move passengers between two nearby places
      B1
      More
    • slow down

      US /slo daʊn/

      UK /sləu daun/

      • Phrasal Verb
      • To reduce the speed
      • To become less active or busy.
      A1
      More
    • solar

      US /ˈsolɚ/

      UK /'səʊlə(r)/

      • Adjective
      • Concerning the sun, or its heat
      B1
      More
    • spacecraft

      US /ˈspeɪskræft/

      UK /ˈspeɪskrɑ:ft/

      • Noun
      • Vehicle capable of traveling to outer space
      • An unmanned probe or satellite designed for space exploration.
      C2
      More
    • spaceship

      US /ˈspesˌʃɪp/

      UK /ˈspeɪsʃɪp/

      • Noun
      • Spacecraft designed to travel into space
      C2
      More
    • spark

      US /spɑrk/

      UK /spɑ:k/

      • Countable Noun
      • Small piece of burning material produced by fire
      • Tiny, brief bit of light caused by electric energy
      • Intransitive Verb
      • To make tiny, brief bits of light
      B1
      More
    • speed up

      US /spid ʌp/

      UK /spi:d ʌp/

      • Phrasal Verb
      • To move more quickly
      A2
      More
    • stuff

      US /stʌf/

      UK /stʌf/

      • Uncountable Noun
      • Generic description for things, materials, objects
      • Transitive Verb
      • To push material inside something, with force
      B1
      More
    • talk about it

      US /tɔk əˈbaʊt ɪt/

      UK /tɔ:k əˈbaut it/

      • Verb (Transitive/Intransitive)
      • To discuss a particular subject.
      A1
      More
    • talking about

      US

      UK

      • Phrasal Verb
      • To discuss a particular topic.
      • To be constantly mentioning or bringing up a subject.
      A1
      More
    • tear

      US /tɛr/

      UK /teə(r)/

      • Noun (Countable/Uncountable)
      • Drop of salty water from the eye
      • Hole or rip in something after it has been damaged
      • Intransitive Verb
      • To move very quickly, often with carelessness
      A2
      More
    • tear up

      US /ˈteɚ ʌp/

      UK /ˈteɚ ʌp/

      • Phrasal Verb
      • To cause someone much grief
      • To pull to make small pieces, e.g. of paper
      A2
      More
    • technology

      US /tɛkˈnɑlədʒi/

      UK /tek'nɒlədʒɪ/

      • Uncountable Noun
      • Use or knowledge of science in industry etc.
      • Machinery and equipment developed from scientific knowledge.
      A2TOEIC
      More
    • theoretical

      US /ˌθiəˈrɛtɪkəl/

      UK /ˌθɪəˈretɪkl/

      • Adjective
      • Concerning the unproved aspects of a subject
      • Based on or using the ideas and abstract principles that relate to a subject
      B1
      More
    • theoretically

      US /ˌθiəˈretɪkli/

      UK /ˌθɪə'retɪklɪ/

      • Adverb
      • As regards ideas that could be true
      B2
      More
    • think about

      US /θɪŋk əˈbaʊt/

      UK /θiŋk əˈbaut/

      • Phrasal Verb
      • To consider something carefully.
      • To remember or call to mind.
      A1
      More
    • think of

      US /θɪŋk ʌv/

      UK /θiŋk ɔv/

      • Phrasal Verb
      • To look on as (being something specific); consider
      • To consider or remember something.
      • Verb (Transitive/Intransitive)
      • To imagine or call something to mind
      A1
      More
    • think through

      US /θɪŋk θru/

      UK /θiŋk θru:/

      • Phrasal Verb
      • To consider carefully so all points are covered
      A1
      More
    • tissue

      US /ˈtɪʃu/

      UK /ˈtɪʃu:/

      • Noun (Countable/Uncountable)
      • Substance formed by cells of living thing; flesh
      • Kind of thin, light paper used to pack objects
      A2
      More
    • to do with

      US

      UK

      • Phrasal Verb
      • To be about something; concern
      A1
      More
    • to the moon

      US /tu ðə mun/

      UK /tu ðə mu:n/

      • other
      • Increasing quickly and significantly, often in value or excitement.
      B2
      More
    • trek

      US /trɛk/

      UK /trek/

      • Noun
      • Slow or difficult journey
      • Intransitive Verb
      • To make your way slowly and painfully
      • To go on a difficult (often walking) journey
      B1
      More
    • tuned to

      US

      UK

      • Phrasal Verb
      • To adjust a radio receiver to the frequency of a particular station.
      • To adjust or adapt to something.
      A2
      More
    • universe

      US /ˈjunəˌvɚs/

      UK /ˈju:nɪvɜ:s/

      • Noun (Countable/Uncountable)
      • All of space that contains planets and stars
      • Things surrounding a person, affecting their life
      B2
      More
    • up there

      US /ʌp ðɛr/

      UK /ʌp ðɛə/

      • Adverb
      • In or to a higher place or position; far away.
      • In heaven.
      A1
      More
    • voyager

      US /ˈvɔɪɪdʒɚ/

      UK /ˈvɔɪɪdʒə(r)/

      • Countable Noun
      • Traveler to a distant land (especially by sea)
      B1
      More
    • way to go

      US /we tu ɡo/

      UK /wei tu: ɡəu/

      • Interjection
      • An expression of encouragement or approval.
      • An expression of sarcasm after someone has made a mistake.
      A1
      More
    • whoa

      US /woʊ/

      UK /wəʊ/

      • Interjection
      • Tell someone to do something more slowly
      • An exclamation of surprise, amazement, or shock.
      C1
      More
    • whole point

      US

      UK

      • Phrase
      • The main purpose or most important aspect of something.
      • The primary reason or objective.
      A2
      More
    • with it

      US /wɪð ɪt/

      UK /wið it/

      • Adjective
      • Intelligent, alert, and up-to-date.
      • Understanding and knowledgeable about current trends or information.
      A1
      More
    • woo

      US /wu/

      UK /wu:/

      • Transitive Verb
      • (Of a man) to try to get a woman to marry him
      • To attempt to persuade to do something
      C2TOEIC
      More
    • work on

      US /wɚk ɑn/

      UK /wə:k ɔn/

      • Phrasal Verb
      • To devote effort to improve or develop something
      • To try to persuade or influence someone.
      A1
      More
    Video not in English?
    Video not in English?

    Get the full experience in the app

    Learn anywhere with detailed sentence and usage analysis

    preview
    01:03

    She took a brave step forward, leaving behind her comfort zone to chase her dreams.

    Vocabulary
    • brave

      adj. Having courage

    • comfort zone

      phr. A familiar situation where one feels safe

    Explanation
    a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step". forward is an adverb modifying step, meaning "ahead". The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.

    Get the full experience in the app

    Look up words anytime with pronunciation, part of speech, and usage

    preview

    brave

    US/brev/
    UK/breɪv/
    adj.Brave
    v.t.To bravely face
    A2 Elementary

    Get the full experience in the app

    Practice speaking anytime and get instant pronunciation feedback

    preview

    Try this speaking exercise.

    Try practicing with this sentence.

    80
    B1
    #star#space#mae#lawrence#people#astronaut

    Interstellar Space Travel (Full Episode) | Startalk | National Geographic

    0
    林宜悉 posted on 2026/05/21
    Ever wondered what it takes to travel to other stars? This episode of Star Talk dives into the incredible challenges and dreams of interstellar travel, featuring insights from astronaut Mae Jemison and physicist Lawrence Krauss. You'll get a fascinating look at the diverse skills needed for space exploration and pick up some great vocabulary about science and engineering along the way!

    Learn this video on the APP!

    The VoiceTube App has more in-depth practice for videos!

    Recommended Videos

    Auto Next Video

    Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved