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    crucial

    US /ˈkruʃəl/

    UK /'kru:ʃl/

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

    US /ˈtrɪɡɚ/

    UK /'trɪɡə(r)/

    • Noun
    • Lever on a gun that you pull to fire
    • Device that starts a process
    • Transitive Verb
    • To start a process off e.g. a memory
    • To cause something to begin or happen.
    determine

    US /dɪˈtɚmɪn/

    UK /dɪ'tɜ:mɪn/

    • Transitive Verb
    • To control exactly how something will be or act
    • To establish the facts about; discover
    A2TOEIC
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