Loading...

Vocabulary

  • based on: To use something as the foundation or starting point for something else.
  • used to: Did regularly before, but don't do now
  • theory: Ideas or principles that explain facts or events
  • system: Set of organized, planned ideas that work together
  • explain: To make clear or easy to understand by describing
  • science: Study of the physical world, based on facts
  • principle: Moral rule or belief governing a person's behavior
  • technology: Use or knowledge of science in industry etc.
  • prove: To demonstrate truth by providing evidence
  • base: Place military personnel live, train, and operate
  • difficult: Hard; not easy; you need to work hard to do it
  • percent: One one-hundredth of a whole; the symbol %
  • mobile: Able to be moved or able to move
  • repeat: Action that is done again
  • impossible: (Child, etc.) very annoying
  • test: To be given a medical examination
  • solar: Concerning the sun, or its heat
Placeholder Image

Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • base

      US /bes/

      UK /beɪs/

      • Noun (Countable/Uncountable)
      • Place military personnel live, train, and operate
      • Bottom part of an object that touches a surface
      • Transitive Verb
      • To use as the starting point or origin for
      • To have as the main location for (company, etc.)
      A2TOEIC
      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
    • impossible

      US /ɪmˈpɑsəbəl/

      UK /ɪmˈpɒsəbl/

      • Adjective
      • (Child, etc.) very annoying
      • Not possible or very unlikely to happen or exist
      A2TOEIC
      More
    • mobile

      US /ˈmoʊbl/

      UK /'məʊbaɪl/

      • Adjective
      • Able to be moved or able to move
      • Able to move easily from one job, place, or social class to another.
      • Countable Noun
      • Personal phone you take with you wherever you go
      • A decorative structure that is suspended so as to turn freely in the air.
      B1
      More
    • percent

      US /pɚˈsɛnt/

      UK /pə'sent/

      • Adverb
      • One one-hundredth of a whole; the symbol %
      • Noun (Countable/Uncountable)
      • A proportion multiplied by 100
      • A specified amount in every hundred
      A2TOEIC
      More
    • principle

      US /ˈprɪnsəpəl/

      UK /ˈprɪnsəpl/

      • Noun (Countable/Uncountable)
      • Moral rule or belief governing a person's behavior
      • Natural law that explains how things work
      A2TOEIC
      More
    • prove

      US /pruv/

      UK /pru:v/

      • Transitive Verb
      • To demonstrate truth by providing evidence
      • To test the quality or worth of something.
      • Intransitive Verb
      • To turn out to be; be found to be.
      A2TOEIC
      More
    • repeat

      US /rɪˈpit/

      UK /rɪˈpi:t/

      • Noun (Countable/Uncountable)
      • Action that is done again
      • Musical passage that is to be played again
      • Verb (Transitive/Intransitive)
      • To do something over again
      • To say something you have learned and memorized
      A2TOEIC
      More
    • science

      US /ˈsaɪəns/

      UK /'saɪəns/

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

      US /ˈsolɚ/

      UK /'səʊlə(r)/

      • Adjective
      • Concerning the sun, or its heat
      B1
      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
    • theory

      US /ˈθiəri, ˈθɪri/

      UK /ˈθiəri/

      • Noun (Countable/Uncountable)
      • Ideas or principles that explain facts or events
      • An idea or belief about something
      A2TOEIC
      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
    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
    B1AU
    #TOEIC#precautionary#theory#certainty#waiting#safe

    Critical Thinking Part 6: A Precautionary Tale

    0
    賽魯 posted on 2015/04/23
    Ever wondered how we make decisions when we don't have all the facts? This video dives into the fascinating 'precautionary principle' and how it applies to things like technology risks, helping you understand risk assessment and build your advanced vocabulary. You'll learn how to think critically about scientific theories and make evidence-based choices in everyday life!

    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