Vocabulary

  • try out: To try to win a place on a team in a group
  • of course: Sure ; Certainly
  • look at: To use your eyes to focus on something
  • from A to B: Describes traveling or moving between two places.
  • absolutely: Completely; totally; very
  • identify: To indicate who or what someone or something is
  • curious: Wanting to know more about something
  • formula: A mathematical or scientific rule
  • direction: When someone tells people what to do
  • form: Sports team or person's current winning record
  • apply: To spread a substance or liquid over a surface
  • pretty: Being attractive to the eye in a simple way
  • nudge: To touch or push something gently
  • guess: To give an answer without knowing if it is correct
  • equal: Same in shape, size, or number
  • correct: Being suitable and appropriate for an occasion
  • totally: In a complete way; completely; absolutely
  • academy: School that specializes in certain subjects
  • technology: Use or knowledge of science in industry etc.
  • relative: Measured or considered in comparison to another
  • screen: To hide or block something from being seen
  • excellent: Extremely good
  • load: Large, often heavy, amount of a thing to be moved
  • great: Very good; better than before
  • perfect: So good it cannot be improved
  • find: To become aware of something that is happening
  • remember: To give someone a gift, e.g. birthday, wedding
  • adjacent: Being close or near to a border, wall, or point
  • start: First time or place that a thing exists; beginning
  • invite: To ask someone to go somewhere or do something
  • understand: To know the meaning of language, what someone says
  • feel: To be aware of or experience an emotion, sensation
  • problem: Something difficult to deal with or causes trouble
  • side: To decide to agree with one point, not the other
  • tutor: A teacher who deals with students personally
  • angle: Place where two lines or surfaces meet
  • deduction: Reaching of a conclusion by using reasoning
  • triangle: Three people connected with each in a relationship
  • alpha: First letter in the Greek alphabet
  • math: Study or science of numbers and shapes
  • hypotenuse: Side of a right triangle opposite the right angle
  • bc: Before Christ; used after dates/years
  • sine: Angle's ratio of side opposite hypotenuse
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    • 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
    • academy

      US /əˈkædəmi/

      UK /ə'kædəmɪ/

      • Noun
      • School that specializes in certain subjects
      A2
      More
    • adjacent

      US /əˈdʒesənt/

      UK /əˈdʒeɪsnt/

      • Adjective
      • Being close or near to a border, wall, or point
      • (In geometry) having a common vertex and side.
      B1
      More
    • alpha

      US /'ælfə/

      UK /ˈælfə/

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

      US /ˈæŋɡəl/

      UK /ˈæŋgl/

      • Noun
      • Place where two lines or surfaces meet
      B1TOEIC
      More
    • bc

      US

      UK

      • Abbreviation
      • Before Christ; used after dates/years
      C1
      More
    • correct

      US /kəˈrɛkt/

      UK /kə'rekt/

      • Adjective
      • Being suitable and appropriate for an occasion
      • True or accurate
      • Transitive Verb
      • To fix a problem
      • To write marks on a piece of work to show mistakes
      A2
      More
    • curious

      US /ˈkjʊriəs/

      UK /ˈkjʊəriəs/

      • Adjective
      • Wanting to know more about something
      • Attracting interest by being strange or unusual
      A2
      More
    • deduction

      US /dɪˈdʌkʃən/

      UK /dɪˈdʌkʃn/

      • Noun
      • Reaching of a conclusion by using reasoning
      • Fact of being or amount taken away from a total
      B2
      More
    • direction

      US /dɪˈrɛkʃən, daɪ-/

      UK /də'rekʃn/

      • Noun (Countable/Uncountable)
      • When someone tells people what to do
      • Describes the way you are going, e.g. North
      A2TOEIC
      More
    • excellent

      US /ˈɛksələnt/

      UK /ˈeksələnt/

      • Adjective
      • Extremely good
      • Very skilled; having great ability.
      A2TOEIC
      More
    • formula

      US /ˈfɔrmjələ/

      UK /'fɔ:mjələ/

      • Noun (Countable/Uncountable)
      • A mathematical or scientific rule
      • Plan, rule or method for doing or making something
      A2TOEIC
      More
    • from A to B

      US /frʌm eɪ tə bi/

      UK /frɒm eɪ tə bi:/

      • Preposition
      • Describes traveling or moving between two places.
      A2
      More
    • hypotenuse

      US /haɪˈpɑtn:ˌus, -ˌjus/

      UK /haɪˈpɒtənju:z/

      • Noun
      • Side of a right triangle opposite the right angle
      C2
      More
    • identify

      US /aɪˈdɛntəˌfaɪ/

      UK /aɪ'dentɪfaɪ/

      • Transitive Verb
      • To indicate who or what someone or something is
      • To say exactly what something is
      B1TOEIC
      More
    • invite

      US /ɪnˈvaɪt/

      UK /ɪnˈvaɪt/

      • Transitive Verb
      • To ask someone to go somewhere or do something
      • Noun
      • An invitation
      A2TOEIC
      More
    • load

      US /lod/

      UK /ləʊd/

      • Noun (Countable/Uncountable)
      • Large, often heavy, amount of a thing to be moved
      • A burden; heavy responsibility
      • Transitive Verb
      • To put in items for use (e.g. bullets in a gun)
      A2TOEIC
      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
    • math

      US /mæθ/

      UK /mæθ/

      • Uncountable Noun
      • Study or science of numbers and shapes
      A2
      More
    • nudge

      US /nʌdʒ/

      UK /nʌdʒ/

      • Transitive Verb
      • To touch or push something gently
      B2
      More
    • of course

      US /ʌv kɔː(r)s/

      UK /ɔv kɔː(r)s/

      • Adverb
      • Sure ; Certainly
      • Phrase
      • For sure; certainly
      A2
      More
    • relative

      US /ˈrɛlətɪv/

      UK /ˈrelətɪv/

      • Adjective
      • Measured or considered in comparison to another
      • (Grammar) referring to words that appear earlier
      • Countable Noun
      • Members of the family
      • Humans or animals sharing the same family history
      A2
      More
    • screen

      US /skrin/

      UK /skri:n/

      • Transitive Verb
      • To hide or block something from being seen
      • To examine to find something, e.g. best candidate
      • Noun
      • Wire net in a door or window to keep insects out
      • Displays in a theater on which movies are shown
      A2TOEIC
      More
    • sine

      US /saɪn/

      UK /saɪn/

      • Noun
      • Angle's ratio of side opposite hypotenuse
      C1
      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
    • triangle

      US /ˈtraɪˌæŋɡəl/

      UK /ˈtraɪæŋgl/

      • Noun
      • Three people connected with each in a relationship
      • A three-sided piece of metal used in orchestras
      B1TOEIC
      More
    • try out

      US /traɪ aʊt/

      UK /trai aut/

      • Phrasal Verb
      • To try to win a place on a team in a group
      • To test briefly to determine how well it works
      A1
      More
    • tutor

      US /ˈtu:tə(r)/

      UK /ˈtju:tə(r)/

      • Noun
      • A teacher who deals with students personally
      • Transitive Verb
      • To give private instruction to someone
      B1
      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
    #hypotenuse#alpha#sine#angle#triangle#adjacent

    Math problems with GPT-4o

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    林宜悉 posted on 2024/03/08
    Ever wondered how AI can help with tricky math problems? This video shows you exactly that, using GPT-4o as a Socratic tutor on Khan Academy to tackle right triangle trigonometry! You'll pick up key math vocabulary and see how simple sentence structures can make complex ideas easy to understand.

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