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  1. pivotal

    • IPA[ˈpivədl]

    美式

    • adj.
      of crucial importance in relation to the development or success of something else;fixed on or as if on a pivot
    • 釋義

    形容詞

    • 1. of crucial importance in relation to the development or success of something else the alliance that played a pivotal role in the revolution
    • fixed on or as if on a pivot a sliding or pivotal motion