Loading...

Vocabulary

  • have to: Must do
  • with it: Intelligent, alert, and up-to-date.
  • hold in: To hide your emotions and not let them show
  • end up with: To have something as a result.
  • on earth: Used to emphasize a question expressing surprise or anger.
  • at the same time: Simultaneously; at the identical moment.
  • apart from: Except for; not considering
  • same time: Occurring simultaneously or at the same point in time.
  • come up with: To think of an idea or solution; produce
  • based on: To use something as the foundation or starting point for something else.
  • in a box: Contained or confined inside a box or small space.
  • for one thing: Used to introduce a reason for something.
  • give up: To lose hope or admit defeat
  • in the air: Present or circulating in the atmosphere.
  • catch on: To become popular; start to be used
  • on fire: Very successful or popular
  • scale up: To increase in size, number, or extent.
  • to let: Indicates that a property is available for rent.
  • out there: In or to a place that is far away
  • go out: To leave a building (e.g. a house)
  • also known as: Also called; alternatively named.
  • easy as pie: Something very simple or easy to do.
  • except that: But; with the exception that.
  • in charge: To be responsible for
  • after all: In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
  • on to: Toward something; forward
  • move on: To decide to change or go to a different place
  • thanks to: Because of; as a result of.
  • for free: Without charge; at no cost.
  • in a vacuum: Existing or considered without relation to other things; isolated from outside influences.
  • make up: To invent or create a story
  • to the moon: Increasing quickly and significantly, often in value or excitement.
  • look at: To use your eyes to focus on something
  • bounce back: To return quickly to a normal condition after a difficult situation or illness.
  • rather than: More exactly; more correctly
  • move into: To start living in a new house or building
  • in the extreme: To a very great degree; extremely.
  • below freezing: At a temperature lower than 0°C or 32°F.
  • in the first place: To begin with; as the first point or consideration.
  • turn into: To change to become something else
  • on and off: Intermittently; not continuously.
  • saying goes: An expression or proverb that is commonly known and used.
  • pretty much anything: Almost everything; nearly all things.
  • stay in: To remain inside one's home.
  • cancel out: To neutralize or negate the effect of something else.
  • used to: Did regularly before, but don't do now
  • stuff: Generic description for things, materials, objects
  • individual: Single person, looked at separately from others
  • extremely: In a way that is much more than usual or expected
  • matter: To be of great importance; to count
  • completely: In every way or as much as possible
  • interfere: To get involved in something not your business
  • brilliant: Having a great amount of intelligence or talent
  • exact: Completely correct; accurate; specific
  • amount: Quantity of something
  • substance: Essence of; most basic or central qualities
  • neutral: Something with pH value of 7
  • bond: Rope, chain or other thing used to tie someone up
  • gravity: (Of a situation) extreme seriousness
  • reverse: Setting that makes the vehicle go backward
  • escape: Act to briefly ignoring boring or bad things
  • predict: To guess or estimate what will or might happen
  • regular: Having an equal amount of space or time in between
  • rare: (Of meat) cooked, but still red and juicy
  • state: Region within a country, with its own government
  • tiny: Very, very small
  • form: Sports team or person's current winning record
  • charge: To run quickly toward someone to attack them
  • contact: Touching or feeling something
  • trap: Device used for catching animals
  • reaction: Bodily response to a drug or something eaten
  • core: To take out the central section of a fruit
  • pretty: Being attractive to the eye in a simple way
  • oxygen: A gas in the air that we need to breathe
  • shape: The outer form of something, what it looks like
  • bounce: A person's energy or confidence
  • sodium: A soft, white chemical element
  • lot: What happens to a person in life from chance; fate
  • complicate: To make more difficult to do, understand or use
  • place: To put someone in a particular type of situation
  • single: One run in cricket or a hit baseball
  • mineral: Substance naturally formed in the ground
  • kind: In a caring and helpful manner
  • magnetic: Having the properties of a magnet; able to attract
  • particle: Adverb or preposition that joins with a verb
  • hydrogen: Lightest of all chemical elements
  • melt: To disappear or to go away
  • savage: Condition of being cruel, violent, uncivilized
  • quantum: The smallest unit or amount of energy
  • turn: To become (a particular age)
  • pull: Act of breathing in smoke, as from a pipe
  • hard: Difficult to do; difficult to understand
  • fast: In a way that is difficult to move or change
  • isolate: To identify, consider, or deal with separately
  • plasma: Substance in which the blood cells are carried
  • anti: A prefix meaning 'against' or 'opposed'
  • proton: Tiny part of atom with positive electrical charge
  • photon: Particle with energy but no mass, electric charge
  • electron: A negatively charged particle
  • antimatter: Matter consisting of elementary antiparticles
  • condensate: The product of condensation, usually a liquid
Placeholder Image

Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • after all

      US /ˈæftɚ ɔl/

      UK /ˈɑ:ftə ɔ:l/

      • Adverb
      • In spite of what was expected; used to introduce a statement that supports a previous statement or explains why it was made
      • Considering everything; used to indicate that something is happening or is true despite some difficulty or obstacle
      • Phrase
      • Despite what was expected or thought; in spite of everything.
      • Taking everything into consideration; considering that.
      B1
      More
    • also known as

      US

      UK

      • Phrase
      • Also called; alternatively named.
      • Identified by another term; synonymous with.
      A1
      More
    • anti

      US /ˈæntaɪ, -ti/

      UK /'æntɪ/

      • Adjective
      • A prefix meaning 'against' or 'opposed'
      B2
      More
    • antimatter

      US /ˈæntɪˌmætɚ, ˈæntaɪ-/

      UK /ˈæntimætə(r)/

      • Uncountable Noun
      • Matter consisting of elementary antiparticles
      C2
      More
    • apart from

      US /əˈpɑrt frʌm/

      UK /əˈpɑ:t frɔm/

      • Preposition
      • Except for; not considering
      • In addition to; as well as
      More
    • at the same time

      US

      UK

      • Phrase
      • Simultaneously; at the identical moment.
      • Nevertheless; however; used to introduce a contrasting or qualifying statement.
      A1
      More
    • based on

      US

      UK

      • Phrasal Verb
      • To use something as the foundation or starting point for something else.
      • Preposition
      • Using something as the main idea or foundation.
      • Relying on something as evidence or justification.
      A1
      More
    • below freezing

      US

      UK

      • Adjective
      • At a temperature lower than 0°C or 32°F.
      • Adverb
      • Describing weather conditions where the temperature is lower than 0°C or 32°F.
      A1
      More
    • bond

      US /bɑnd/

      UK /bɒnd/

      • Noun (Countable/Uncountable)
      • Rope, chain or other thing used to tie someone up
      • Closeness that is shared between people or groups
      • Verb (Transitive/Intransitive)
      • To develop a close relationship with
      • To become joined or connected, e.g. using glue
      A2TOEIC
      More
    • bounce

      US /baʊns/

      UK /baʊns/

      • Uncountable Noun
      • A person's energy or confidence
      • Quality causing a person's hair to appear healthy
      • Intransitive Verb
      • To move around energetically, playfully
      • (Of check) to be rejected due to inadequate funds
      B1
      More
    • bounce back

      US /baʊns bæk/

      UK /bauns bæk/

      • Phrasal Verb
      • To return quickly to a normal condition after a difficult situation or illness.
      B2
      More
    • brilliant

      US /ˈbrɪljənt/

      UK /'brɪlɪənt/

      • Adjective
      • Having a great amount of intelligence or talent
      • Being very bright, like a diamond; shining
      • Noun
      • A diamond or other gem cut in a particular form with many facets to have exceptional brilliance.
      A2
      More
    • cancel out

      US /ˈkænsəl aʊt/

      UK /ˈkænsəl aut/

      • Phrasal Verb
      • To neutralize or negate the effect of something else.
      • To cause something to no longer be valid or effective.
      B1
      More
    • catch on

      US /kætʃ ɑn/

      UK /kætʃ ɔn/

      • Phrasal Verb
      • To become popular; start to be used
      • To get the idea of; suddenly understand
      A1
      More
    • charge

      US /tʃɑrdʒ/

      UK /tʃɑ:dʒ/

      • Verb (Transitive/Intransitive)
      • To run quickly toward someone to attack them
      • To ask for money as a price for a service or goods
      • Noun (Countable/Uncountable)
      • An attack by running quickly toward someone
      • A price for a service or goods
      A2
      More
    • come up with

      US /kʌm ʌp wɪð/

      UK /kʌm ʌp wið/

      • Phrasal Verb
      • To think of an idea or solution; produce
      A1
      More
    • complicate

      US /ˈkɑ:mplɪkeɪt/

      UK /ˈkɒmplɪkeɪt/

      • Transitive Verb
      • To make more difficult to do, understand or use
      B1
      More
    • condensate

      US

      UK

      • Noun
      • The product of condensation, usually a liquid
      B2
      More
    • contact

      US /ˈkɑnˌtækt/

      UK /'kɒntækt/

      • Adjective
      • Touching or feeling something
      • Noun (Countable/Uncountable)
      • Touching or feeling something
      • Object that allows electricity to run through it
      A2
      More
    • core

      US /kɔr, kor/

      UK /kɔ:(r)/

      • Transitive Verb
      • To take out the central section of a fruit
      • Noun (Countable/Uncountable)
      • Important central part of something
      • The hard central part of certain fruits, containing the seeds.
      A2
      More
    • easy as pie

      US /ˈizi əz paɪ/

      UK /ˈi:zi əz paɪ/

      • other
      • Something very simple or easy to do.
      A2
      More
    • electron

      US /ɪˈlektrɑ:n/

      UK /ɪˈlektrɒn/

      • Countable Noun
      • A negatively charged particle
      B2
      More
    • end up with

      US

      UK

      • Phrasal Verb
      • To have something as a result.
      A1
      More
    • escape

      US /ɪˈskep/

      UK /ɪ'skeɪp/

      • Noun (Countable/Uncountable)
      • Act to briefly ignoring boring or bad things
      • The 'esc key' on a keyboard
      • Verb (Transitive/Intransitive)
      • To avoid something undesirable, dangerous or bad
      • To get away from a place where you are being kept
      A2
      More
    • exact

      US /ɪɡˈzækt/

      UK /ɪɡ'zækt/

      • Adjective
      • Completely correct; accurate; specific
      • Transitive Verb
      • To get something, sometimes using force
      A2TOEIC
      More
    • except that

      US /ɪkˈsɛpt ðæt/

      UK /ikˈsept ðæt/

      • Conjunction
      • But; with the exception that.
      A2
      More
    • extremely

      US /ɪk'strimlɪ/

      UK /ɪkˈstri:mli/

      • Adverb
      • In a way that is much more than usual or expected
      • Remarkably; unusually.
      B1
      More
    • for free

      US /fɔr fri/

      UK /fɔ: fri:/

      • Phrase
      • Without charge; at no cost.
      • Adjective
      • Available without payment.
      A2
      More
    • for one thing

      US /fɔr wʌn θɪŋ/

      UK /fɔ: wʌn θiŋ/

      • Phrase
      • Used to introduce a reason for something.
      A1
      More
    • give up

      US /ɡɪv ʌp/

      UK /ɡiv ʌp/

      • Phrasal Verb
      • To lose hope or admit defeat
      • To decide to not start to try solving a problem
      • Verb Phrase
      • to surrender an item; hand over an item
      A1
      More
    • go out

      US /ɡo aʊt/

      UK /ɡəu aut/

      • Phrase
      • To leave a building (e.g. a house)
      • Phrasal Verb
      • (Of a fire) to burn out; be extinguished
      • Go out of fashion to stop being fashionable
      A1
      More
    • gravity

      US /ˈɡrævɪti/

      UK /ˈgrævəti/

      • Uncountable Noun
      • (Of a situation) extreme seriousness
      • Force making things fall towards the ground
      B1TOEIC
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • hold in

      US /hold ɪn/

      UK /həuld in/

      • Phrasal Verb
      • To hide your emotions and not let them show
      A1
      More
    • hydrogen

      US /ˈhaɪdrədʒən/

      UK /ˈhaɪdrədʒən/

      • Uncountable Noun
      • Lightest of all chemical elements
      B1
      More
    • in a box

      US /ɪn ə bɑks/

      UK /ɪn ə bɒks/

      • other
      • Contained or confined inside a box or small space.
      B2
      More
    • in a vacuum

      US /ɪn e ˈvækjuəm/

      UK /in ə ˈvækjuəm/

      • Phrase
      • Existing or considered without relation to other things; isolated from outside influences.
      • Without any context or background information.
      A1
      More
    • in charge

      US /ɪn tʃɑrdʒ/

      UK /in tʃɑ:dʒ/

      • Adverb
      • To be responsible for
      A1
      More
    • in the air

      US

      UK

      • Phrase
      • Present or circulating in the atmosphere.
      • Felt or sensed by many people; circulating as a rumor or feeling.
      • Adjective
      • Being broadcast on radio or television.
      A1
      More
    • in the extreme

      US /ɪn ði ɪkˈstrim/

      UK /in ði: ɪkˈstri:m/

      • other
      • To a very great degree; extremely.
      C1
      More
    • in the first place

      US

      UK

      • Phrase
      • To begin with; as the first point or consideration.
      • From the beginning; initially.
      A1
      More
    • individual

      US /ˌɪndəˈvɪdʒuəl/

      UK /ˌɪndɪˈvɪdʒuəl/

      • Countable Noun
      • Single person, looked at separately from others
      • A single thing or item, especially when part of a set or group.
      • Adjective
      • Made for use by one single person
      • Having a distinct manner different from others
      A2
      More
    • interfere

      US /ˌɪntɚˈfɪr/

      UK /ˌɪntə'fɪə(r)/

      • Intransitive Verb
      • To get involved in something not your business
      • Transitive Verb
      • To prevent a process or activity from continuing or being carried out properly.
      B1TOEIC
      More
    • isolate

      US /ˈaɪsəˌlet/

      UK /ˈaɪsəleɪt/

      • Transitive Verb
      • To identify, consider, or deal with separately
      • To keep in a place or situation apart from others
      B1
      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
    • magnetic

      US /mæɡˈnɛtɪk/

      UK /mægˈnetɪk/

      • Adjective
      • Having the properties of a magnet; able to attract
      • Having great power to attract attention, interest
      B2
      More
    • make up

      US /mek ʌp/

      UK /meik ʌp/

      • Phrasal Verb
      • To invent or create a story
      • To add up to
      • Verb (Transitive/Intransitive)
      • To invent a story, excuse, etc.
      • To compensate for something lost, missed, or deficient.
      A1
      More
    • melt

      US /mɛlt/

      UK /melt/

      • Verb (Transitive/Intransitive)
      • To disappear or to go away
      • To make, become soft or liquid due to heat
      • Uncountable Noun
      • A mass of material that has been melted, especially metal.
      B1
      More
    • mineral

      US /ˈmɪnərəl/

      UK /'mɪnərəl/

      • Noun (Countable/Uncountable)
      • Substance naturally formed in the ground
      B1
      More
    • move into

      US /muv ˈɪntu/

      UK /mu:v ˈɪntuː/

      • Phrasal Verb
      • To start living in a new house or building
      • To start being involved in a new area of business or activity.
      More
    • move on

      US /muv ɑn/

      UK /mu:v ɔn/

      • Phrasal Verb
      • To decide to change or go to a different place
      • To start talking about something different.
      A1
      More
    • neutral

      US /ˈnu:trəl/

      UK /ˈnju:trəl/

      • Adjective
      • Something with pH value of 7
      • Having no positive or negative electrical charge
      • Noun (Countable/Uncountable)
      • Color that is dull and not bright, such as gray
      • The rest position for gears in a car or vehicle
      B1
      More
    • on and off

      US /ɑn ənd ɔf/

      UK /ɔn ænd ɔf/

      • Adverb
      • Intermittently; not continuously.
      • Adjective
      • Characterized by periods of involvement and separation.
      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 fire

      US /ɑn faɪr/

      UK /ɔn ˈfaiə/

      • Adjective
      • Very successful or popular
      • Burning
      A2
      More
    • on to

      US /ɑn tu/

      UK /ɔn tu:/

      • Preposition
      • Toward something; forward
      • Aware of someone's activities.
      • Adjective
      • Aware of someone's deception or illegal activities.
      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
    • oxygen

      US /ˈɑksɪdʒən/

      UK /'ɒksɪdʒən/

      • Uncountable Noun
      • A gas in the air that we need to breathe
      • Oxygen administered as a medical treatment.
      B1
      More
    • particle

      US /ˈpɑrtɪkəl/

      UK /ˈpɑ:tɪkl/

      • Noun
      • Adverb or preposition that joins with a verb
      • Tiny piece or quantity of something
      B1
      More
    • photon

      US /ˈfoʊtɑ:n/

      UK /ˈfəʊtɒn/

      • Noun
      • Particle with energy but no mass, electric charge
      B2
      More
    • plasma

      US /ˈplæzmə/

      UK /ˈplæzmə/

      • Uncountable Noun
      • Substance in which the blood cells are carried
      • Gas-like substance with little electric charge
      B2
      More
    • predict

      US /prɪˈdɪkt/

      UK /prɪ'dɪkt/

      • Transitive Verb
      • To guess or estimate what will or might happen
      A2TOEIC
      More
    • pretty much anything

      US

      UK

      • Phrase
      • Almost everything; nearly all things.
      A1
      More
    • proton

      US /ˈproʊtɑ:n/

      UK /ˈprəʊtɒn/

      • Countable Noun
      • Tiny part of atom with positive electrical charge
      B2
      More
    • quantum

      US /ˈkwɑ:ntəm/

      UK /ˈkwɒntəm/

      • Noun (Countable/Uncountable)
      • The smallest unit or amount of energy
      B2
      More
    • rare

      US /rɛr/

      UK /reə(r)/

      • Adjective
      • (Of meat) cooked, but still red and juicy
      • Unusual or out of the ordinary; not common
      A2
      More
    • rather than

      US

      UK

      • Adverb
      • More exactly; more correctly
      • Preferably; instead
      • Preposition
      • Instead of
      A1
      More
    • reaction

      US /riˈækʃən/

      UK /rɪ'ækʃn/

      • Noun
      • Bodily response to a drug or something eaten
      • Feeling or action in response to something
      A2
      More
    • regular

      US /ˈrɛɡjəlɚ/

      UK /ˈregjələ(r)/

      • Adjective
      • Having an equal amount of space or time in between
      • Occurring or being done frequently
      • Noun (Countable/Uncountable)
      • Customers who frequently visit a place
      • Soldier who has a permanent job in the army
      A2TOEIC
      More
    • reverse

      US /rɪˈvɚs/

      UK /rɪ'vɜ:s/

      • Noun
      • Setting that makes the vehicle go backward
      • Instance of a significant change, for the worse
      • Verb (Transitive/Intransitive)
      • To drive a vehicle backward
      • To change to an opposite state, way or condition
      B1TOEIC
      More
    • same time

      US

      UK

      • Phrase
      • Occurring simultaneously or at the same point in time.
      • At the identical time as before; recurring at a fixed hour.
      • Noun
      • An equal duration or period.
      A1
      More
    • savage

      US /ˈsævɪdʒ/

      UK /'sævɪdʒ/

      • Adjective
      • Condition of being cruel, violent, uncivilized
      • Transitive Verb
      • To wildly attack someone often to kill them
      B1
      More
    • saying goes

      US

      UK

      • Phrase
      • An expression or proverb that is commonly known and used.
      More
    • scale up

      US //skeɪl ʌp//

      UK

      • Phrasal Verb
      • To increase in size, number, or extent.
      A1
      More
    • sodium

      US /ˈsodiəm/

      UK /'səʊdɪəm/

      • Uncountable Noun
      • A soft, white chemical element
      B2
      More
    • stay in

      US /ste ɪn/

      UK /stei in/

      • Phrasal Verb
      • To remain inside one's home.
      • Intransitive Verb
      • To remain as an inpatient in a hospital.
      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
    • substance

      US /ˈsʌbstəns/

      UK /'sʌbstəns/

      • Uncountable Noun
      • Essence of; most basic or central qualities
      • Particular type of material
      A2
      More
    • thanks to

      US /θæŋks tu/

      UK /θæŋks tu:/

      • Preposition
      • Because of; as a result of.
      A1
      More
    • tiny

      US /ˈtaɪni/

      UK /'taɪnɪ/

      • Adjective
      • Very, very small
      A2
      More
    • to let

      US /tu lɛt/

      UK /tu let/

      • Preposition
      • Indicates that a property is available for rent.
      A2
      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
    • trap

      US /træp/

      UK /træp/

      • Countable Noun
      • Device used for catching animals
      • Vehicle pulled by a single horse
      • Transitive Verb
      • To use a device to catch animals or people
      • To hold, e.g. a nerve, so that it cannot move
      A2
      More
    • turn into

      US /tɚn ˈɪntu/

      UK /tə:n ˈɪntuː/

      • Phrasal Verb
      • To change to become something else
      • To change your direction to go into a place
      A1
      More
    • used to

      US /juzd tu/

      UK /ˈju:st tə/

      • Adjective
      • Did regularly before, but don't do now
      • Auxiliary Verb
      • Have done before, but do not do now
      A1
      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
    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
    A2US
    #trap#fluorine#bose#container#antimatter#alkali

    How To Hold Something That's 10,000,000 Degrees

    0
    陳姝潔 Jean Chen posted on 2026/10/28
    Have you ever wondered how scientists actually hold substances that are too hot, tiny, or destructive to touch? This fascinating video explores the clever engineering behind containing things like volatile alkali metals and antimatter, giving you a chance to brush up on some impressive scientific vocabulary in the process. You will learn about cool techniques like passivation and laser trapping while discovering the extreme lengths experts go to tame nature's most reactive elements.

    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