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    Video vocabulary

    crucial

    US /ˈkruʃəl/

    UK /'kru:ʃl/

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

    US /ˈstrʌɡəl/

    UK /'strʌɡl/

    • Verb (Transitive/Intransitive)
    • To try very hard to do something difficult
    • To fight or struggle violently
    • Noun (Countable/Uncountable)
    • Strong efforts made to do something difficult
    • A difficult or challenging situation or task
    immune

    US /ɪˈmjoon/

    UK /ɪˈmju:n/

    • Adjective
    • Having a special protection from, e.g. the law
    • Protected against a particular disease or condition because of antibodies or vaccination.

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