Vocabulary

  • on earth: Used to emphasize a question expressing surprise or anger.
  • pitch up: To arrive or appear at a place, sometimes unexpectedly.
  • due to: Because of; owing to
  • have to: Must do
  • hand out: To distribute papers (often in class)
  • up there: In or to a higher place or position; far away.
  • roll down: To move downwards by turning over and over.
  • at least: As a minimum
  • air out: To ventilate a room or space by opening windows or doors.
  • blow up: To suddenly become angry
  • move up: To advance to a higher rank or position.
  • look at: To use your eyes to focus on something
  • go higher: To increase or rise to a greater level.
  • lift up: To raise something to a higher position.
  • know about: To have information or understanding of a subject or situation.
  • up in the air: Not yet decided or resolved; uncertain.
  • in the air: Present or circulating in the atmosphere.
  • force: Group of persons trained for military action; army
  • pitch: To suggest a product, idea to make someone buy
  • call: A order or request for action
  • hand: Cards given to a player in a card game
  • due: When something is required or expected
  • direction: When someone tells people what to do
  • lift: Picking someone up in a car and taking to a place
  • drag: To reluctantly move or go somewhere
  • square: Shape with 4 equal length sides and 4 equal angles
  • gravity: (Of a situation) extreme seriousness
  • earth: Wire connecting an electrical device to the ground
  • attack: To try to destroy, beat, or injure
  • air: Mixture of gases around the earth that we breathe
  • wing: Part of an animal's body that is used for flying
  • angle: Place where two lines or surfaces meet
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    • air out

      US

      UK

      • Phrasal Verb
      • To ventilate a room or space by opening windows or doors.
      A2
      More
    • angle

      US /ˈæŋɡəl/

      UK /ˈæŋgl/

      • Noun
      • Place where two lines or surfaces meet
      B1TOEIC
      More
    • at least

      US /æt list/

      UK /æt li:st/

      • Adverb
      • As a minimum
      • Not less than
      • Phrase
      • No less than; at the minimum
      • Used to indicate that something is positive in a bad situation.
      C2
      More
    • attack

      US /əˈtæk/

      UK /ə'tæk/

      • Transitive Verb
      • To try to destroy, beat, or injure
      • Noun
      • Act intended to hurt someone physically, mentally
      A2
      More
    • blow up

      US /blo ʌp/

      UK /bləu ʌp/

      • Phrasal Verb
      • To suddenly become angry
      • To put air in something, e.g. a tire or balloon
      • Verb (Transitive/Intransitive)
      • To explode; to be destroyed by an explosion.
      A2
      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
    • drag

      US /dræɡ/

      UK /dræɡ/

      • Transitive Verb
      • To reluctantly move or go somewhere
      • To pull something heavy or difficult along the ground
      • Noun (Countable/Uncountable)
      • Force of air pushing back against a plane car etc.
      • Boring or annoying thing/activity
      A2
      More
    • due to

      US /du tu/

      UK /dju: tu:/

      • Preposition
      • Because of; owing to
      • Adjective
      • Attributable to; caused by.
      A1
      More
    • go higher

      US

      UK

      • Intransitive Verb
      • To increase or rise to a greater level.
      • To move to a higher physical position.
      A2
      More
    • gravity

      US /ˈɡrævɪti/

      UK /ˈgrævəti/

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

      US /hænd aʊt/

      UK /hænd aut/

      • Phrasal Verb
      • To distribute papers (often in class)
      A1
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      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
    • know about

      US /noʊ əˈbaʊt/

      UK /nəʊ əˈbaut/

      • Phrasal Verb
      • To have information or understanding of a subject or situation.
      More
    • lift

      US /lɪft/

      UK /lɪft/

      • Noun
      • Picking someone up in a car and taking to a place
      • Machine carrying people up or down to other floors
      • Transitive Verb
      • To stop or cancel something, such as a rule
      • To move something to higher position
      A2
      More
    • lift up

      US /lɪft ʌp/

      UK /lift ʌp/

      • Phrasal Verb
      • To raise something to a higher position.
      • To improve someone's mood or spirits; to encourage.
      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
    • move up

      US /muv ʌp/

      UK /mu:v ʌp/

      • Phrasal Verb
      • To advance to a higher rank or position.
      • To advance in a line or queue.
      B1
      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
    • pitch

      US /pɪtʃ/

      UK /pɪtʃ/

      • Transitive Verb
      • To suggest a product, idea to make someone buy
      • To throw a baseball to a batter
      • Noun
      • Act of throwing a baseball for someone to hit
      • Playing fields in sports, e.g. for soccer
      B1TOEIC
      More
    • pitch up

      US /pɪtʃ ʌp/

      UK /pɪtʃ ʌp/

      • other
      • To arrive or appear at a place, sometimes unexpectedly.
      B2
      More
    • roll down

      US /rol daʊn/

      UK /rəul daun/

      • Phrasal Verb
      • To move downwards by turning over and over.
      • To lower a car window.
      A1
      More
    • square

      US /skwɛr/

      UK /skweə(r)/

      • Noun (Countable/Uncountable)
      • Shape with 4 equal length sides and 4 equal angles
      • The result of multiplying Length by the width
      • Adjective
      • Being fair or honest
      • Multiply a number by itself e.g. 2x2 or 6x6
      A2TOEIC
      More
    • up in the air

      US

      UK

      • Adjective
      • Not yet decided or resolved; uncertain.
      • Idiom
      • In an uncertain state; unresolved.
      More
    • up there

      US /ʌp ðɛr/

      UK /ʌp ðɛə/

      • Adverb
      • In or to a higher place or position; far away.
      • In heaven.
      A1
      More
    • wing

      US /wɪŋ/

      UK /wɪŋ/

      • Noun (Countable/Uncountable)
      • Part of an animal's body that is used for flying
      • One of the two parts on the side of a plane, bird
      • Intransitive Verb
      • To fly to a place
      A2
      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
    #airplane#aircraft#drag#coefficient#lift#angle

    The Forces on an Airplane

    0
    李應振 posted on 2013/02/02
    Ever wondered how those massive machines take to the sky? This video dives into the fascinating forces on an airplane, explaining everything from lift and thrust to how a stall happens! You'll pick up some awesome vocabulary related to aerodynamics and aviation that's perfect for enthusiasts.

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