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    crucial

    US /ˈkruʃəl/

    ・

    UK /'kru:ʃl/

    • Adjective
    • Extremely important or necessary
    • Of great importance to the success of something.
    B1
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    profound

    US /prəˈfaʊnd, pro-/

    ・

    UK /prə'faʊnd/

    • Adjective
    • Requiring deep thought; difficult to understand
    • Showing a lot of deep thought or understanding
    B1
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    boost

    US /bust/

    ・

    UK /bu:st/

    • Transitive Verb
    • To increase something; to make something better
    • To push someone or something up from beneath them
    • Noun (Countable/Uncountable)
    • An increase in something
    B1TOEIC
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    potentially

    US /pəˈtɛnʃəlɪ/

    ・

    UK /pə'tenʃəlɪ/

    • Adverb
    • That could happen or become reality
    B1
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