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  1. impetus

    • IPA[ˈimpədəs]

    美式

    • n.
      the force or energy with which a body moves;the force that makes something happen or happen more quickly
    • noun: impetus, plural noun: impetuses

    • 釋義

    名詞

    • 更多解釋
    • IPA[ˈɪmpɪtəs]

    英式

    • n.
      the force or energy with which a body moves: hit the booster coil before the flywheel loses all its impetus

    Oxford Dictionary