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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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    happen

    US /ˈhæpən/

    ・

    UK /'hæpən/

    • Intransitive Verb
    • To take place or occur
    • To occur by chance
    A1
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    idea

    US /aɪˈdiə/

    ・

    UK /aɪ'dɪə/

    • Noun (Countable/Uncountable)
    • Belief, thought, suggestion, opinion or plan
    A1TOEIC
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    energy point vocabulary