Vocabulary

  • for example: As an illustration or instance.
  • on to: Toward something; forward
  • in a nutshell: As a summary; including the main points concisely
  • make certain: To ensure or ascertain something.
  • fit into: To be small enough to go inside something.
  • move on: To decide to change or go to a different place
  • grow up: To develop from a child into an adult
  • in mind: Being aware of or considering something.
  • fizzle out: To gradually fail or end, often after a promising start.
  • have to: Must do
  • hold on: To wait for someone (e.g. on a phone call)
  • hard to say: Difficult to know or predict; uncertain.
  • by now: At the present time or already; before the present.
  • on earth: Used to emphasize a question expressing surprise or anger.
  • shrink down: To become smaller in size, amount, or extent.
  • go on: To continue doing something
  • light up: To illuminate something; to make something brighter with light.
  • together with: In addition to; along with.
  • or simply: Alternatively; in a more straightforward way.
  • over time: Gradually; as time passes.
  • in future: At a time yet to come; from now onwards.
  • stuff: Generic description for things, materials, objects
  • sort: To organize things by putting them into groups
  • massive: Very big; large; too big
  • extremely: In a way that is much more than usual or expected
  • insane: Mentally ill; crazy
  • enormous: Huge; very big; very important
  • tremendous: Very good or very impressive
  • journey: Act of traveling from one place to another; trip
  • improve: To make, or become, something better
  • scale: Size, level, or amount when compared
  • barely: Only just; just possible
  • evolve: To develop certain features
  • impressive: Causing admiration or respect; grand or expensive
  • current: Electricity flowing through wires
  • drastically: In a sudden, extreme or severe manner
  • threshold: Degree or level at which something begins
  • gravity: (Of a situation) extreme seriousness
  • fraction: Small part of something
  • rare: (Of meat) cooked, but still red and juicy
  • tiny: Very, very small
  • universe: All of space that contains planets and stars
  • surface: To give (road) a top layer
  • form: Sports team or person's current winning record
  • huge: Very very large
  • sequence: Part of a movie showing one part of the story
  • dense: Very thick and difficult to see, get through
  • release: To free someone from a responsibility or burden
  • grain: Seeds of plants used for food
  • orbit: Path an object takes as it circles another object
  • core: To take out the central section of a fruit
  • compare: To consider how similar and different things are
  • giant: Tall, large, and powerful human-like creatures
  • create: To make, cause, or bring into existence
  • blow: To move something using air
  • mass: Religious ceremony in some Christian churches
  • reduce: To try to decrease, e.g. your weight if overweight
  • urban: Concerning a city; located in a city
  • nutshell: Shell that surrounds the kernel of a nut
  • lifespan: Length of time something is expected to last
  • swell: To feel overcome due to a strong emotion
  • stage: To organize an event to gain public interest
  • swollen: To increase in size or number larger than normal
  • learn: To get knowledge or skills by study or experience
  • system: Set of organized, planned ideas that work together
  • fusion: Combining various things to make something new
  • hydrogen: Lightest of all chemical elements
  • fail: To be unsuccessful in passing a class or exam
  • grow: To get bigger and more mature; make plants do this
  • stellar: Very brilliant; very successful or good
  • future: Time that is to come after the present
  • dwarf: Person of short stature, due to medical condition
  • finally: used especially at the beginning of a sentence to introduce the last point or idea
  • burn: To destroy with fire
  • galaxy: A group of stars and planets in space
  • life: All the living things e.g. animals, plants, humans
  • travel: To go to a place that is far away
  • helium: Light, colorless gaseous element with no smell
  • radius: Area around a certain point
  • dimly: (Of memories) in a vague or unclear manner
  • rho: Letter of the Greek alphabet
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    • barely

      US /ˈbɛrli/

      UK /ˈbɛəli/

      • Adverb
      • Only just; just possible
      A2TOEIC
      More
    • blow

      US /blo/

      UK /bləʊ/

      • Verb (Transitive/Intransitive)
      • To move something using air
      • To make air come quickly out of your mouth
      • Noun
      • Something that causes you difficulty or sadness
      • Act of making air come out of your mouth
      A2
      More
    • by now

      US /baɪ naʊ/

      UK /bai nau/

      • Phrase
      • At the present time or already; before the present.
      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
    • current

      US /ˈkɚrənt, ˈkʌr-/

      UK /'kʌrənt/

      • Uncountable Noun
      • Electricity flowing through wires
      • Movement of water in a river, or air in the sky
      • Adjective
      • Happening or being in the present time
      • In general use or accepted by most people.
      A2
      More
    • dense

      US /dɛns/

      UK /dens/

      • Adjective
      • Very thick and difficult to see, get through
      • Hard to understand
      B1TOEIC
      More
    • dimly

      US /ˈdɪmlɪ/

      UK /ˈdɪmli/

      • Adverb
      • (Of memories) in a vague or unclear manner
      B2
      More
    • drastically

      US /ˈdræstɪkl:ɪ/

      UK /'drɑ:stɪklɪ/

      • Adverb
      • In a sudden, extreme or severe manner
      B2TOEIC
      More
    • dwarf

      US /dwɔrf/

      UK /dwɔ:f/

      • Noun
      • Person of short stature, due to medical condition
      B2TOEIC
      More
    • enormous

      US /ɪˈnɔrməs/

      UK /iˈnɔ:məs/

      • Adjective
      • Huge; very big; very important
      • Very great in size, amount, or degree.
      A2
      More
    • evolve

      US /ɪˈvɑlv/

      UK /ɪ'vɒlv/

      • Verb (Transitive/Intransitive)
      • To develop certain features
      • To develop or change slowly over time
      B1
      More
    • extremely

      US /ɪk'strimlɪ/

      UK /ɪkˈstri:mli/

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

      US /fɪt ˈɪntu/

      UK /fit ˈɪntuː/

      • Phrasal Verb
      • To be small enough to go inside something.
      • To feel like you belong to a group.
      A2
      More
    • fizzle out

      US

      UK

      • Phrasal Verb
      • To gradually fail or end, often after a promising start.
      A1
      More
    • for example

      US

      UK

      • Phrase
      • As an illustration or instance.
      More
    • fraction

      US /ˈfrækʃən/

      UK /ˈfrækʃn/

      • Noun (Countable/Uncountable)
      • Small part of something
      • A numerical quantity that is not a whole number (e.g., 1/2, 0.5).
      B1TOEIC
      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
    • galaxy

      US /ˈɡæləksi/

      UK /'ɡæləksɪ/

      • Noun (Countable/Uncountable)
      • A group of stars and planets in space
      B2
      More
    • giant

      US /ˈdʒaɪənt/

      UK /'dʒaɪənt/

      • Countable Noun
      • Tall, large, and powerful human-like creatures
      • Very successful, powerful person or organization
      • Adjective
      • Very large, or much bigger than other things
      A2
      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
    • grain

      US /ɡren/

      UK /greɪn/

      • Noun (Countable/Uncountable)
      • Seeds of plants used for food
      • Natural pattern in something, e.g. wood
      B1TOEIC
      More
    • gravity

      US /ˈɡrævɪti/

      UK /ˈgrævəti/

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

      US /ɡro ʌp/

      UK /ɡrəu ʌp/

      • Phrasal Verb
      • To develop from a child into an adult
      A1
      More
    • hard to say

      US

      UK

      • Phrase
      • Difficult to know or predict; uncertain.
      A1
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • helium

      US /ˈhiliəm/

      UK /ˈhi:liəm/

      • Uncountable Noun
      • Light, colorless gaseous element with no smell
      C1
      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
    • huge

      US /hjudʒ/

      UK /hju:dʒ/

      • Adjective
      • Very very large
      A2
      More
    • hydrogen

      US /ˈhaɪdrədʒən/

      UK /ˈhaɪdrədʒən/

      • Uncountable Noun
      • Lightest of all chemical elements
      B1
      More
    • impressive

      US /ɪmˈprɛsɪv/

      UK /ɪmˈpresɪv/

      • Adjective
      • Causing admiration or respect; grand or expensive
      • Having a strong effect, commanding attention.
      B1TOEIC
      More
    • in a nutshell

      US

      UK

      • Phrase
      • As a summary; including the main points concisely
      C2
      More
    • in future

      US /ɪn ˈfjutʃɚ/

      UK /ɪn ˈfju:tʃə/

      • Preposition
      • At a time yet to come; from now onwards.
      A2
      More
    • in mind

      US /ɪn maɪnd/

      UK /in maind/

      • Phrase
      • Being aware of or considering something.
      • To remember or consider something.
      A2
      More
    • insane

      US /ɪnˈsen/

      UK /ɪnˈseɪn/

      • Adjective
      • Mentally ill; crazy
      • Being crazy or stupid
      B2
      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
    • lifespan

      US /ˈlaɪfspæn/

      UK /ˈlaɪfspæn/

      • Noun
      • Length of time something is expected to last
      B2
      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
    • make certain

      US

      UK

      • Transitive Verb
      • To ensure or ascertain something.
      A1
      More
    • mass

      US /mæs/

      UK /mæs/

      • Noun (Countable/Uncountable)
      • Religious ceremony in some Christian churches
      • Large amount or number of something
      • Transitive Verb
      • To gather people or things into a large group
      B1
      More
    • massive

      US /ˈmæsɪv/

      UK /ˈmæsɪv/

      • Adjective
      • Very big; large; too big
      • Large or imposing in scale or scope.
      B1
      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
    • nutshell

      US /ˈnʌtˌʃɛl/

      UK /ˈnʌtʃel/

      • Countable Noun
      • Shell that surrounds the kernel of a nut
      C2
      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 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
    • or simply

      US

      UK

      • Phrase
      • Alternatively; in a more straightforward way.
      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
    • over time

      US /ˈovɚ taɪm/

      UK /ˈəuvə taim/

      • Phrase
      • Gradually; as time passes.
      • During a long period.
      • Adverb
      • Gradually; as time passes.
      B1
      More
    • radius

      US /ˈrediəs/

      UK /ˈreɪdiəs/

      • Noun (Countable/Uncountable)
      • Area around a certain point
      • Countable Noun
      • Long bone on the thumb side of your lower arm
      • Line from the center to the edge of a circle
      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
    • reduce

      US /rɪˈdus, -ˈdjus/

      UK /rɪ'dju:s/

      • Verb (Transitive/Intransitive)
      • To try to decrease, e.g. your weight if overweight
      • To boil a liquid until it has decreased in amount
      A2TOEIC
      More
    • release

      US /rɪ'li:s/

      UK /rɪ'li:s/

      • Transitive Verb
      • To free someone from a responsibility or burden
      • To allow a film, music etc. to be sold/distributed
      • Noun
      • Act of freeing someone from a duty or burden
      • Introduction of a new product, film, book, etc.
      A2TOEIC
      More
    • rho

      US /roʊ/

      UK /rəʊ/

      • Noun
      • Letter of the Greek alphabet
      C2
      More
    • scale

      US /skel/

      UK /skeɪl/

      • Noun (Countable/Uncountable)
      • Size, level, or amount when compared
      • Small hard plates that cover the body of fish
      • Verb (Transitive/Intransitive)
      • To change the size of but keep the proportions
      • To climb something large (e.g. a mountain)
      A2TOEIC
      More
    • sequence

      US /ˈsikwəns, -ˌkwɛns/

      UK /'si:kwəns/

      • Noun
      • Part of a movie showing one part of the story
      • A particular order in which related events, movements, or things follow each other.
      • Transitive Verb
      • To arrange things in an order they should happen
      A2TOEIC
      More
    • shrink down

      US

      UK

      • Phrasal Verb
      • To become smaller in size, amount, or extent.
      B2
      More
    • stellar

      US /ˈstɛlɚ/

      UK /ˈstelə(r)/

      • Adjective
      • Very brilliant; very successful or good
      C1
      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
    • surface

      US /ˈsɚfəs/

      UK /'sɜ:fɪs/

      • Transitive Verb
      • To give (road) a top layer
      • Intransitive Verb
      • To appear after being hidden, unseen, or unknown
      • To come to the top of something; emerge
      A2TOEIC
      More
    • swell

      US /swɛl/

      UK /swel/

      • Intransitive Verb
      • To feel overcome due to a strong emotion
      • To increase in size or number larger than normal
      • Uncountable Noun
      • Being overcome from feeling a strong emotion
      • Act of growing in size or increasing in number
      B1
      More
    • swollen

      US /ˈswolən/

      UK /ˈswəʊlən/

      • Verb (Transitive/Intransitive)
      • To increase in size or number larger than normal
      • To become larger than normal, often due to injury
      • Adjective
      • Increased in size due to injury
      B1
      More
    • threshold

      US /ˈθrɛʃˌold, -ˌhold/

      UK /'θreʃhəʊld/

      • Noun
      • Degree or level at which something begins
      • A strip of wood, metal, or stone forming the bottom of a doorway and crossed in entering a house or room.
      B2
      More
    • tiny

      US /ˈtaɪni/

      UK /'taɪnɪ/

      • Adjective
      • Very, very small
      A2
      More
    • together with

      US /təˈɡɛðɚ wɪð/

      UK /təˈɡeðə wið/

      • Preposition
      • In addition to; along with.
      • Including; as well as.
      A1
      More
    • tremendous

      US /trɪˈmɛndəs/

      UK /trəˈmendəs/

      • Adjective
      • Very good or very impressive
      • Extremely large or great.
      B1TOEIC
      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
    • urban

      US /ˈɚbən/

      UK /'ɜ:bən/

      • Adjective
      • Concerning a city; located in a city
      • Relating to the style of dress and music popular in cities.
      B1TOEIC
      More
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    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.

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    brave

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

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    B1
    #star#sun#universe#solar#massive#sequence

    The Largest Star in the Universe – Size Comparison

    0
    林宜悉 posted on 2026/01/29
    Ever wondered just how HUGE the biggest stars in the universe are? This awesome explainer animation from Kurzgesagt dives into mind-blowing size comparisons, from tiny red dwarfs to the colossal Stephenson 2-18! You'll pick up some fantastic vocabulary related to stellar evolution while getting a real sense of cosmic scale.

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