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    US /træk/

    ・

    UK /træk/

    • Transitive Verb
    • To use marks to follow a wild animal
    • To move a certain way/follow a particular course
    • Noun
    • A circular course for running
    • Course or way someone takes, e.g. in education
    A2TOEIC
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    commercial

    US /kəˈmɚʃəl/

    ・

    UK /kəˈmə:ʃəl/

    • Noun
    • Radio or television advertisement
    • Adjective
    • Designed for or primarily concerned with financial success.
    B1
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    decade

    US /ˈdɛkˌed, dɛˈked/

    ・

    UK /ˈdekeɪd/

    • Countable Noun
    • Period of 10 years
    B1TOEIC
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    formula

    US /ˈfɔrmjələ/

    ・

    UK /'fɔ:mjələ/

    • Noun (Countable/Uncountable)
    • A mathematical or scientific rule
    • Plan, rule or method for doing or making something
    A2TOEIC
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