Vocabulary

  • at the moment: At this time; now
  • run on: To continue longer than expected, e.g. a meeting
  • up in the air: Not yet decided or resolved; uncertain.
  • in order to: For the purpose of; with the aim of.
  • in the air: Present or circulating in the atmosphere.
  • used to: Did regularly before, but don't do now
  • look at: To use your eyes to focus on something
  • look after: To take care of someone or something
  • break into: To start suddenly (crying, panicking, etc.)
  • at scale: In large quantities; with significant reach or impact.
  • process: To organize and use data in a computer
  • term: Conditions applying to an agreement, contract
  • infrastructure: Basic necessary equipment for a country or region
  • impact: A striking effect or result to hit with force
  • develop: To explain something in steps and in detail
  • expect: To believe something is probably going to happen
  • climate: Typical weather conditions in a particular place
  • contribute: To be a factor in causing something to happen
  • integrate: To combine together; make into one thing
  • industry: Hard work; being busy working
  • conduct: Your behavior
  • fuel: To give power to (a mob, anger, etc.); incite
  • frame: To make a person that is not guilty appear guilty
  • stack: A large number or amount of something
  • cause: Belief, goal or organization that people support
  • facility: Piece of equipment or buildings with a special use
  • anticipate: To expect or look ahead to something positively
  • generate: To create or be produced or bring into existence
  • primarily: In the most basic or important way
  • deliver: To give birth to a child; help a woman give birth
  • performance: Act of doing something
  • fulfill: To finish or provide something successfully
  • transition: Change from one state, movement, place to another
  • validate: To show to be officially correct or allowable
  • oxygen: A gas in the air that we need to breathe
  • development: Act or process of growing bigger or more advanced
  • feedback: A response or opinion, about a service, etc.
  • emission: A substance (e.g. gas) released into the air
  • aviation: Science or practice of flying aircraft
  • moment: Very short or brief period of time
  • reduction: Act of making something smaller
  • assemble: To put parts together to make a complete unit
  • emit: To release or send out (a gas, etc.)
  • technology: Use or knowledge of science in industry etc.
  • order: Religious or social group, as of nuns
  • learn: To get knowledge or skills by study or experience
  • control: A device designed to operate a machine
  • system: Set of organized, planned ideas that work together
  • aircraft: Vehicle that can fly
  • format: Form, design, or arrangement of something
  • hydrogen: Lightest of all chemical elements
  • sponsor: Person that supports the passage of a new law
  • certification: Official or legal permission to do something
  • assembly: Process of putting the parts of something together
  • great: Very good; better than before
  • turn: To become (a particular age)
  • product: Item that can be bought
  • side: To decide to agree with one point, not the other
  • design: To plan in a particular way to fulfill a purpose
  • jet: Stream of liquid/gas shooting out of small opening
  • propulsion: Forward movement often under power
  • expensive: Costing a lot of money
  • radius: Area around a certain point
  • certify: To approve someone as authorized, valid
  • fuselage: Main part of an airplane, not the wings
  • radiator: Device for cooling down an engine
  • hangar: Building used to house airplanes
  • airspace: Area in the sky controlled by a country
  • mod: Person who wears modern clothes
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  • not found vocabularyNo vocabulary matches your filters
    • aircraft

      US /ˈɛrˌkræft/

      UK /ˈɛəkrɑ:ft/

      • Countable Noun
      • Vehicle that can fly
      C2TOEIC
      More
    • airspace

      US /ˈɛrˌspes/

      UK /ˈeəspeɪs/

      • Noun (Countable/Uncountable)
      • Area in the sky controlled by a country
      • The portion of the atmosphere above a particular country or area, subject to its jurisdiction.
      C2
      More
    • anticipate

      US /ænˈtɪsəˌpet/

      UK /æn'tɪsɪpeɪt/

      • Transitive Verb
      • To expect or look ahead to something positively
      • To be aware of something that might happen
      B1TOEIC
      More
    • assemble

      US /əˈsɛmbəl/

      UK /əˈsembl/

      • Transitive Verb
      • To put parts together to make a complete unit
      • Verb (Transitive/Intransitive)
      • To gather together in one place
      B1TOEIC
      More
    • assembly

      US /əˈsɛmbli/

      UK /ə'semblɪ/

      • Noun (Countable/Uncountable)
      • Process of putting the parts of something together
      • Group of people gathered for a purpose
      B1TOEIC
      More
    • at scale

      US

      UK

      • Phrase
      • In large quantities; with significant reach or impact.
      • Widely; extensively; with broad application.
      A1
      More
    • at the moment

      US

      UK

      • Adverb
      • At this time; now
      A1
      More
    • aviation

      US /ˌeviˈeʃən,ˌævi-/

      UK /ˌeɪviˈeɪʃn/

      • Uncountable Noun
      • Science or practice of flying aircraft
      B2
      More
    • break into

      US /brek ˈɪntu/

      UK /breik ˈɪntuː/

      • Phrasal Verb
      • To start suddenly (crying, panicking, etc.)
      • To get into a new field of work
      A1
      More
    • cause

      US /kɔz/

      UK /kɔ:z/

      • Noun
      • Belief, goal or organization that people support
      • Reason for
      • Transitive Verb
      • To make something happen; create effect or result
      A2
      More
    • certification

      US /ˌsə:təfɪˈkeʃən/

      UK /ˌsɜ:təfɪˈkeɪʃən/

      • Noun
      • Official or legal permission to do something
      B2
      More
    • certify

      US /ˈsɜ:rtɪfaɪ/

      UK /ˈsɜ:tɪfaɪ/

      • Transitive Verb
      • To approve someone as authorized, valid
      • To confirm the truth or reality of something
      B2
      More
    • climate

      US /ˈklaɪmɪt/

      UK /ˈklaɪmət/

      • Noun (Countable/Uncountable)
      • Typical weather conditions in a particular place
      • The general attitudes, feelings, or opinions that people have at a particular time.
      A2
      More
    • conduct

      US / kənˈdʌkt/

      UK /kənˈdʌkt/

      • Uncountable Noun
      • Your behavior
      • Verb (Transitive/Intransitive)
      • To behave in a certain way; e.g. at a party
      • To let electricity or heat travel through
      B1TOEIC
      More
    • contribute

      US /kənˈtrɪbjut/

      UK /kən'trɪbju:t/

      • Verb (Transitive/Intransitive)
      • To be a factor in causing something to happen
      • To donate, give (money) or help to something
      A2
      More
    • deliver

      US /dɪˈlɪvɚ/

      UK /dɪ'lɪvə(r)/

      • Transitive Verb
      • To give birth to a child; help a woman give birth
      • To save someone from a problem or crisis
      A2TOEIC
      More
    • development

      US /dɪˈvɛləpmənt/

      UK /dɪ'veləpmənt/

      • Noun (Countable/Uncountable)
      • Act or process of growing bigger or more advanced
      • A new event related to a previous event
      A2TOEIC
      More
    • emission

      US /ɪˈmɪʃən/

      UK /iˈmɪʃn/

      • Uncountable Noun
      • A substance (e.g. gas) released into the air
      • The act of emitting light or other radiation.
      B2
      More
    • emit

      US /ɪˈmɪt/

      UK /ɪ'mɪt/

      • Transitive Verb
      • To release or send out (a gas, etc.)
      B1
      More
    • facility

      US /fəˈsɪlɪti/

      UK /fəˈsɪləti/

      • Noun (Countable/Uncountable)
      • Piece of equipment or buildings with a special use
      • Skill to do something with ease
      A2TOEIC
      More
    • feedback

      US /ˈfidˌbæk/

      UK /ˈfi:dbæk/

      • Noun (Countable/Uncountable)
      • A response or opinion, about a service, etc.
      • Information about reactions to a product, a person's performance of a task, etc. which is used as a basis for improvement.
      • Verb (Transitive/Intransitive)
      • To give information or opinions about something to someone, especially in order to improve it.
      B1TOEIC
      More
    • format

      US /ˈfɔ:rmæt/

      UK /ˈfɔ:mæt/

      • Noun
      • Form, design, or arrangement of something
      • Transitive Verb
      • To set the appearance of a text in a certain way
      • To set a computer back to its original state
      B1TOEIC
      More
    • frame

      US /frem/

      UK /freɪm/

      • Transitive Verb
      • To make a person that is not guilty appear guilty
      • To put say or write something in a careful way
      • Noun (Countable/Uncountable)
      • Structure that holds a picture or photo
      • A person's body shape determined by their skeleton
      A2TOEIC
      More
    • fuel

      US /ˈfjuəl/

      UK /'fju:əl/

      • Transitive Verb
      • To give power to (a mob, anger, etc.); incite
      • To provide gas or petrol for something
      • Uncountable Noun
      • Material used to produce heat or power when burned
      A2TOEIC
      More
    • fulfill

      US /fʊlˈfɪl/

      UK /fʊl'fɪl/

      • Transitive Verb
      • To finish or provide something successfully
      • To make real, to bring into effect
      B2TOEIC
      More
    • fuselage

      US /ˈfjusəˌlɑʒ, -zə-/

      UK /ˈfju:zəlɑ:ʒ/

      • Noun
      • Main part of an airplane, not the wings
      C1
      More
    • generate

      US /ˈdʒɛnəˌret/

      UK /ˈdʒenəreɪt/

      • Transitive Verb
      • To create or be produced or bring into existence
      • To create electricity, heat, energy and power
      A2TOEIC
      More
    • hangar

      US /ˈhæŋɚ, ˈhæŋɡɚ/

      UK /ˈhæŋə(r)/

      • Countable Noun
      • Building used to house airplanes
      C1
      More
    • hydrogen

      US /ˈhaɪdrədʒən/

      UK /ˈhaɪdrədʒən/

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

      US /ˈɪmˌpækt/

      UK /'ɪmpækt/

      • Noun
      • A striking effect or result to hit with force
      • Act or force of one thing hitting something else
      • Verb (Transitive/Intransitive)
      • To hit or strike someone or something with force
      • To have a strong effect on someone or something.
      A2TOEIC
      More
    • in order to

      US /ɪn ˈɔrdɚ tu/

      UK /in ˈɔ:də tu:/

      • Preposition
      • For the purpose of; with the aim of.
      • Phrase
      • In a specific sequence or arrangement.
      • With the aim of; for the purpose of.
      C1
      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
    • infrastructure

      US /ˈɪnfrəˌstrʌktʃɚ/

      UK /'ɪnfrəstrʌktʃə(r)/

      • Uncountable Noun
      • Basic necessary equipment for a country or region
      • The underlying framework or system of an organization.
      B1
      More
    • integrate

      US /ˈɪntɪˌɡret/

      UK /ˈɪntɪgreɪt/

      • Transitive Verb
      • To combine together; make into one thing
      • To bring (people or groups with particular characteristics or needs) into equal participation in or membership of a social group or institution.
      A2
      More
    • jet

      US /dʒɛt/

      UK /dʒet/

      • Noun (Countable/Uncountable)
      • Stream of liquid/gas shooting out of small opening
      • A pipe that water or gas goes through
      • Verb (Transitive/Intransitive)
      • (Of liquid, gas) to shoot out of a small opening
      • To travel on a jet plane
      B1TOEIC
      More
    • look after

      US /lʊk ˈæftɚ/

      UK /luk ˈɑ:ftə/

      • Phrasal Verb
      • To take care of someone or something
      A1
      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
    • mod

      US /mɒd/

      UK /mɒd/

      • Countable Noun
      • Person who wears modern clothes
      C1
      More
    • oxygen

      US /ˈɑksɪdʒən/

      UK /'ɒksɪdʒən/

      • Uncountable Noun
      • A gas in the air that we need to breathe
      • Oxygen administered as a medical treatment.
      B1
      More
    • performance

      US / pɚˈfɔrməns/

      UK /pə'fɔ:məns/

      • Noun
      • Act of doing something
      • Activity done to entertain an audience
      A2TOEIC
      More
    • primarily

      US /praɪˈmɛrəli, -ˈmɛr-/

      UK /praɪˈmerəli/

      • Adverb
      • In the most basic or important way
      A2TOEIC
      More
    • process

      US /ˈprɑsˌɛs, ˈproˌsɛs/

      UK /prə'ses/

      • Transitive Verb
      • To organize and use data in a computer
      • To deal with official forms in the way required
      • Noun (Countable/Uncountable)
      • Dealing with official forms in the way required
      • Set of changes that occur slowly and naturally
      A2TOEIC
      More
    • propulsion

      US /prəˈpʌlʃən/

      UK /prəˈpʌlʃn/

      • Uncountable Noun
      • Forward movement often under power
      C1
      More
    • radiator

      US /ˈrediˌeɪtɚ/

      UK /ˈreɪdieɪtə(r)/

      • Noun
      • Device for cooling down an engine
      • Heating device for a room or building
      B2
      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
    • reduction

      US /rɪˈdʌkʃən/

      UK /rɪ'dʌkʃn/

      • Noun
      • Act of making something smaller
      B1
      More
    • run on

      US /rʌn ɑn/

      UK /rʌn ɔn/

      • Phrasal Verb
      • To continue longer than expected, e.g. a meeting
      • To talk without stopping, often on the same topic
      • Intransitive Verb
      • To continue without a break or clear separation, especially in writing.
      A1
      More
    • sponsor

      US /ˈspɑ:nsə(r)/

      UK /ˈspɒnsə(r)/

      • Noun
      • Person that supports the passage of a new law
      • Person giving money for someone's education
      • Transitive Verb
      • To support the passage of a new law
      • To help someone succeed by giving them money
      B1TOEIC
      More
    • stack

      US /stæk/

      UK /stæk/

      • Noun (Countable/Uncountable)
      • A large number or amount of something
      • Large tube through which smoke exits a building
      • Transitive Verb
      • To arrange cards in a certain order, to cheat
      • To put one thing on top of another, e.g. boxes
      B1TOEIC
      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
    • transition

      US /trænˈzɪʃən, -ˈsɪʃ-/

      UK /trænˈzɪʃn/

      • Noun
      • Change from one state, movement, place to another
      • Intransitive Verb
      • To change state, movement, place, or subject
      B1
      More
    • up in the air

      US

      UK

      • Adjective
      • Not yet decided or resolved; uncertain.
      • Idiom
      • In an uncertain state; unresolved.
      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
    • validate

      US /ˈvælɪˌdet/

      UK /'vælɪdeɪt/

      • Transitive Verb
      • To show to be officially correct or allowable
      B2TOEIC
      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
    #hydrogen#fuel cell#aircraft#fuel#test#electric

    The company building hydrogen-electric engines for planes

    0
    林宜悉 posted on 2025/11/05
    Ever wondered how planes could fly using hydrogen? This video gives you an amazing behind-the-scenes look at ZeroAvia's groundbreaking hydrogen-electric engine technology, from the hangar tour to the exciting flight tests! You'll pick up tons of advanced vocabulary related to sustainable aviation and the complex certification process.

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