Vocabulary

  • look at: To use your eyes to focus on something
  • have to: Must do
  • look for: To try to find a thing or person that is lost
  • green light
  • for example: As an illustration or instance.
  • in question: Being doubted or disputed; under discussion.
  • back up: To save a copy of your computer data
  • inside of: Within; in the inner part of.
  • put together: To build or assemble something small, e.g. a toy
  • figure out: To understand the behavior of someone
  • of a kind: Unique; not like anything else
  • pass through: To experience something, often unpleasant or difficult.
  • feel like: To have a desire or inclination for something.
  • bring in: To earn a certain amount of money or profits
  • shave off: To remove hair from the skin by using a razor.
  • smooth out: To remove wrinkles or creases from something.
  • instead of: When one thing is replaced by another
  • think of: To look on as (being something specific); consider
  • complete picture: A thorough and comprehensive understanding of a situation or event.
  • based on: To use something as the foundation or starting point for something else.
  • point in time: A specific moment or instance when something occurs or exists.
  • in time: Eventually; after a period of time.
  • got to: To arrive at some place
  • in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
  • hold on: To wait for someone (e.g. on a phone call)
  • of course: Sure ; Certainly
  • evidence of: Facts, objects, or signs that make you believe that something is true.
  • like a dream: Working or performing extremely well or smoothly.
  • literally: In a literal manner or sense; exactly as stated.
  • absolutely: Completely; totally; very
  • present: Being in attendance; being there; having turned up
  • metabolism: Chemical processes to convert food to energy
  • basically: Used before you explain something simply, clearly
  • evolve: To develop certain features
  • spectrum: The wavelengths of colors from red to violet
  • stress: To emphasize one or more parts of a word, sentence
  • diverse: Being varied or different from each other
  • bit: Device put in a horse's mouth to control it
  • field: Area of study, such as physics or biology
  • rare: (Of meat) cooked, but still red and juicy
  • grind: To break (coffee, etc.) into tiny bits with machine
  • tiny: Very, very small
  • diversity: Having a range of different races, ideas etc.
  • vessel: Container, such as a cup, for holding liquids
  • preserve: To cook food so it can be kept for long periods
  • surface: To give (road) a top layer
  • metabolic: Concerning the body's metabolism
  • extra: More than necessary; additional
  • responsible: Being the cause of something that has occurred
  • rate: To assess something or consider its qualities
  • destructive: Causing a very large amount of damage
  • relate: To demonstrate a logical relationship between
  • tissue: Substance formed by cells of living thing; flesh
  • extinction: When every example of animal, plant is dead
  • extinct: (Of animal, etc.) having died out; with none left
  • dissolve: To cause something to end
  • shape: The outer form of something, what it looks like
  • slice: Way of hitting the ball so the ball curves
  • leave: To go away from; depart
  • peak: Part of a cap that sticks out over your eyes
  • fossil: Plant or animal that became rock after many years
  • chemical: Basic substance produced by mixing elements
  • proof: Act of showing that something exists or is true
  • analysis: Careful study to better understand something
  • puzzle: To be a challenge to understand; confuse
  • kind: In a caring and helpful manner
  • learn: To get knowledge or skills by study or experience
  • fact: Something that is known or proved to be true
  • acid: Sour substance that reacts with metals e.g. lemon
  • piece: A counter in a board game
  • modern: Of the present time; up to date; contemporary
  • fragment: Part that is broken off of something
  • bring: To take or go with someone to a place
  • change: To exchange one set of clothes for another
  • person: Man, woman or child
  • nitrogen: A colorless chemical element without a smell
  • hard: Difficult to do; difficult to understand
  • vein: Tube that returns blood from the body to the heart
  • hollow: (Of objects) having nothing inside; not solid
  • wiggle: To move from side to side with short fast movement
  • magnify: To increase the importance or seriousness of
  • sue: Person's name
  • molecular: About or caused by molecules
  • rib: One of the curved bones protecting the chest/heart
  • dinosaur: Reptile that lived millions of years ago
  • vertebrate: Having a backbone
  • avian: Of or typical of birds
  • definitively: Clearly and leaving no further question
  • meatball: Ground meat formed into a ball and fried or boiled
Placeholder Image

    Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • absolutely

      US /ˈæbsəˌlutli, ˌæbsəˈlutli/

      UK /ˈæbsəlu:tli/

      • Adverb
      • Completely; totally; very
      • Considered independently and without relation to other things; viewed abstractly; as, quantity absolutely considered.
      A2
      More
    • acid

      US /ˈæsɪd/

      UK /ˈæsɪd/

      • Noun (Countable/Uncountable)
      • Sour substance that reacts with metals e.g. lemon
      A2
      More
    • analysis

      US /əˈnælɪsɪs/

      UK /əˈnæləsɪs/

      • Uncountable Noun
      • Careful study to better understand something
      B1TOEIC
      More
    • avian

      US /'eɪvɪrn/

      UK /'eɪvɪən/

      • Adjective
      • Of or typical of birds
      C1
      More
    • back up

      US /bæk ʌp/

      UK /bæk ʌp/

      • Phrasal Verb
      • To save a copy of your computer data
      • To confirm the truth of what someone says
      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
    • basically

      US /ˈbesɪkəli,-kli/

      UK /ˈbeɪsɪkli/

      • Adverb
      • Used before you explain something simply, clearly
      • In essence; when you consider the most important aspects of something.
      A2
      More
    • bring in

      US /brɪŋ ɪn/

      UK /briŋ in/

      • Phrasal Verb
      • To earn a certain amount of money or profits
      • To add person into existing group, e.g. phone call
      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
    • complete picture

      US

      UK

      • Noun
      • A thorough and comprehensive understanding of a situation or event.
      More
    • definitively

      US /dɪ'fɪnətɪvlɪ/

      UK /dɪ'fɪnətɪvlɪ/

      • Adverb
      • Clearly and leaving no further question
      B2
      More
    • destructive

      US /dɪˈstrʌktɪv/

      UK /dɪ'strʌktɪv/

      • Adjective
      • Causing a very large amount of damage
      • Tending to demolish or tear down; negative; unhelpful.
      B2
      More
    • dinosaur

      US /ˈdaɪnəˌsɔr/

      UK /'daɪnəsɔ:(r)/

      • Noun
      • Reptile that lived millions of years ago
      • A person who is outdated or resistant to change.
      B2
      More
    • dissolve

      US /dɪˈzɑ:lv/

      UK /dɪˈzɒlv/

      • Verb (Transitive/Intransitive)
      • To cause something to end
      • To dismiss, e.g. a law-making body
      B2
      More
    • diverse

      US /dɪˈvɚs, daɪ-, ˈdaɪˌvɚs/

      UK /daɪˈvɜ:s/

      • Adjective
      • Being varied or different from each other
      • Very different from each other
      B1TOEIC
      More
    • diversity

      US /dɪˈvə:sɪti, daɪ-/

      UK /daɪ'vɜ:sətɪ/

      • Noun (Countable/Uncountable)
      • Having a range of different races, ideas etc.
      • A range of different things.
      B1TOEIC
      More
    • evidence of

      US

      UK

      • Phrase
      • Facts, objects, or signs that make you believe that something is true.
      • Something that shows that something else exists or is true.
      A1
      More
    • evolve

      US /ɪˈvɑlv/

      UK /ɪ'vɒlv/

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

      US /ɪkˈstɪŋkt/

      UK /ɪkˈstɪŋkt/

      • Adjective
      • (Of animal, etc.) having died out; with none left
      • (E.g. of volcano) not active
      B1TOEIC
      More
    • extinction

      US /ɪkˈstɪŋkʃən/

      UK /ɪkˈstɪŋkʃn/

      • Noun (Countable/Uncountable)
      • When every example of animal, plant is dead
      • The process of something ceasing to exist or be active.
      B1
      More
    • extra

      US /'ekstrə/

      UK /'ekstrə/

      • Adjective
      • More than necessary; additional
      • Of especially good quality or grade.
      • Noun (Countable/Uncountable)
      • Items more than you need; additional items
      • Person who has a small part in a movie
      A2
      More
    • feel like

      US

      UK

      • Intransitive Verb
      • To have a desire or inclination for something.
      • To have a particular quality or sensation; resemble.
      A1
      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
    • for example

      US

      UK

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

      US /ˈfɑsəl/

      UK /'fɒsl/

      • Noun (Countable/Uncountable)
      • Plant or animal that became rock after many years
      • A person or thing that is outdated or no longer useful.
      • Adjective
      • Relating to or resembling a fossil.
      • Relating to or denoting energy generated from fossil fuels.
      B1
      More
    • fragment

      US /ˈfræɡmənt/

      UK /'fræɡmənt/

      • Countable Noun
      • Part that is broken off of something
      • Intransitive Verb
      • To be broken into pieces
      • (Of computer file) to be broken into pieces
      B1
      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
    • green light

      US /ɡrin laɪt/

      UK /ɡri:n lait/

      • Phrase
      • Noun
      • Permission to proceed with a project or plan.
      • A green traffic signal indicating permission to proceed.
      A1
      More
    • grind

      US /ɡraɪnd/

      UK /ɡraɪnd/

      • Transitive Verb
      • To break (coffee, etc.) into tiny bits with machine
      • To make loud jarring noise by pressing hard
      • Uncountable Noun
      • Hard work or effort
      B2
      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
    • hollow

      US /ˈhɑ:loʊ/

      UK /ˈhɒləʊ/

      • Adjective
      • (Of objects) having nothing inside; not solid
      • Lacking value, sincerity, or meaning
      • Transitive Verb
      • To make a solid object have a large hole inside it
      B1TOEIC
      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 question

      US /ɪn ˈkwɛstʃən/

      UK /in ˈkwestʃən/

      • Adjective
      • Being doubted or disputed; under discussion.
      • Referring to someone or something that has already been mentioned.
      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
    • inside of

      US /ɪnˈsaɪd ʌv/

      UK /inˈsaid ɔv/

      • Preposition
      • Within; in the inner part of.
      • Within a certain period of time.
      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
    • like a dream

      US /laɪk ə ˈdrim/

      UK /laɪk ə ˈdri:m/

      • other
      • Working or performing extremely well or smoothly.
      B1
      More
    • literally

      US /ˈlɪtərəli/

      UK

      • Adverb
      • In a literal manner or sense; exactly as stated.
      • Used for emphasis to describe something that is actually true, often to highlight surprise or intensity.
      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
    • look for

      US /lʊk fɔr/

      UK /luk fɔ:/

      • Phrasal Verb
      • To try to find a thing or person that is lost
      • To expect or anticipate something.
      A1
      More
    • magnify

      US /ˈmæɡnəˌfaɪ/

      UK /'mæɡnɪfaɪ/

      • Transitive Verb
      • To increase the importance or seriousness of
      • To make something larger, louder, or greater
      B2
      More
    • meatball

      US /ˈmitˌbɔl/

      UK /ˈmi:tbɔ:l/

      • Countable Noun
      • Ground meat formed into a ball and fried or boiled
      C2
      More
    • metabolic

      US /ˌmetə'bɒlɪk/

      UK /ˌmetə'bɒlɪk/

      • Adjective
      • Concerning the body's metabolism
      • Relating to the rate at which metabolism occurs.
      B2
      More
    • metabolism

      US /mɪˈtæbəˌlɪzəm/

      UK /məˈtæbəlɪzəm/

      • Uncountable Noun
      • Chemical processes to convert food to energy
      • The rate at which the body uses energy.
      B2
      More
    • molecular

      US /məˈlɛkjəlɚ/

      UK /mə'lekjələ(r)/

      • Adjective
      • About or caused by molecules
      B2
      More
    • nitrogen

      US /ˈnaɪtrədʒən/

      UK /ˈnaɪtrədʒən/

      • Uncountable Noun
      • A colorless chemical element without a smell
      B2
      More
    • of a kind

      US /ʌv e kaɪnd/

      UK /ɔv ə kaind/

      • Adjective
      • Unique; not like anything else
      • Phrase
      • Sharing similar characteristics or qualities; alike
      A1
      More
    • of course

      US /ʌv kɔː(r)s/

      UK /ɔv kɔː(r)s/

      • Adverb
      • Sure ; Certainly
      • Phrase
      • For sure; certainly
      A2
      More
    • pass through

      US /pæs θru/

      UK /pɑ:s θru:/

      • Phrasal Verb
      • To experience something, often unpleasant or difficult.
      • To go through something; to move from one side to the other of something.
      A2
      More
    • peak

      US /pik/

      UK /pi:k/

      • Noun
      • Part of a cap that sticks out over your eyes
      • The very top of a mountain
      • Intransitive Verb
      • To reach the highest or best point
      B1
      More
    • point in time

      US

      UK

      • Noun
      • A specific moment or instance when something occurs or exists.
      • A significant juncture or stage in history or a sequence of events.
      A1
      More
    • preserve

      US /prɪˈzɜ:rv/

      UK /prɪˈzɜ:v/

      • Transitive Verb
      • To cook food so it can be kept for long periods
      • To protect something from harm, loss or damage
      • Noun (Countable/Uncountable)
      • Sweet fruit spread; jam
      • Protected area of land with plants and animals
      B1TOEIC
      More
    • proof

      US /pruf/

      UK /pru:f/

      • Noun (Countable/Uncountable)
      • Act of showing that something exists or is true
      • Special coating that protects something
      • Transitive Verb
      • To read a written work to check for mistakes
      • To protect by painting on a special coating
      A2TOEIC
      More
    • put together

      US /pʊt təˈɡɛðɚ/

      UK /put təˈɡeðə/

      • Phrasal Verb
      • To build or assemble something small, e.g. a toy
      • To organize or arrange something.
      A1
      More
    • puzzle

      US /ˈpʌzəl/

      UK /'pʌzl/

      • Transitive Verb
      • To be a challenge to understand; confuse
      • Noun (Countable/Uncountable)
      • Something challenging to explain or understand
      • Game requiring the player to find an answer
      A2TOEIC
      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
    • relate

      US /rɪˈlet/

      UK /rɪ'leɪt/

      • Transitive Verb
      • To demonstrate a logical relationship between
      • To understand or sympathize with, e.g. a problem
      A2TOEIC
      More
    • responsible

      US / rɪˈspɑnsəbəl/

      UK /rɪ'spɒnsəbl/

      • Adjective
      • Being the cause of something that has occurred
      • Having the duty of dealing with something
      A2TOEIC
      More
    • rib

      US /rɪb/

      UK /rɪb/

      • Countable Noun
      • One of the curved bones protecting the chest/heart
      • Verb (Transitive/Intransitive)
      • To tease; joke about something with someone
      B2
      More
    • shave off

      US /ʃev ɔf/

      UK /ʃeiv ɔf/

      • Phrasal Verb
      • To remove hair from the skin by using a razor.
      • To reduce an amount, especially money or time.
      A2
      More
    • slice

      US /slaɪs/

      UK /slaɪs/

      • Countable Noun
      • Way of hitting the ball so the ball curves
      • Piece or share of something
      • Verb (Transitive/Intransitive)
      • To hit a ball so that it curves to one side
      • To cut a thin piece off something larger
      A2TOEIC
      More
    • smooth out

      US /smuð aʊt/

      UK /smu:ð aut/

      • Phrasal Verb
      • To remove wrinkles or creases from something.
      • To resolve problems or difficulties.
      B1
      More
    • spectrum

      US /ˈspɛktrəm/

      UK /'spektrəm/

      • Noun
      • The wavelengths of colors from red to violet
      • a range of different positions, opinions, etc. between two extreme points
      B1
      More
    • stress

      US / strɛs/

      UK /stres/

      • Transitive Verb
      • To emphasize one or more parts of a word, sentence
      • To put pressure on something or someone
      • Noun (Countable/Uncountable)
      • Emphasis on part of a word or sentence
      • Pressure on something or someone
      A2TOEIC
      More
    • sue

      US /su/

      UK /su:/

      • Proper Noun
      • Person's name
      • Transitive Verb
      • To take legal action against someone
      B2
      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
    • 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
    • tiny

      US /ˈtaɪni/

      UK /'taɪnɪ/

      • Adjective
      • Very, very small
      A2
      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
    • vein

      US /ven/

      UK /veɪn/

      • Noun
      • Tube that returns blood from the body to the heart
      • Mood or particular turn of mind
      B1
      More
    • vertebrate

      US /ˈvə:təbrɪt, -ˌbret/

      UK /ˈvɜ:təbrɪt, -ˌbreɪt/

      • Adjective
      • Having a backbone
      • Countable Noun
      • Animal with a backbone
      C1
      More
    • vessel

      US /ˈvɛsəl/

      UK /ˈvesl/

      • Countable Noun
      • Container, such as a cup, for holding liquids
      • A ship or boat; something that carries things
      B1TOEIC
      More
    • wiggle

      US /ˈwɪɡəl/

      UK /'wɪɡl/

      • Intransitive Verb
      • To move from side to side with short fast movement
      C1
      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
    #sue#blooded#soft#metabolic#metabolism#microscope

    We Dissolved Fossils To Prove Dinosaurs Were Warm Blooded | Science Skills

    0
    林宜悉 posted on 2026/04/06
    Ever wondered if dinosaurs were hot-blooded? This fascinating video takes you behind the scenes at the Field Museum to explore how scientists dissolved fossils, like Sue the T Rex, to uncover clues about dinosaur metabolism and soft tissue preservation! You'll pick up some seriously cool advanced vocabulary related to paleontology and molecular biology.

    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