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1. Oxford Dictionary

   impetus

   • IPA[ˈɪmpɪtəs]

   英式

   • n.
     the force or energy with which a body moves；something that makes a process or activity happen or happen more quickly

   • noun: impetus, plural noun: impetuses

2. • 釋義

   n.

   名詞

   • 1. the force or energy with which a body moves hit the booster coil before the flywheel loses all its impetus 同義詞 momentum, propulsion, impulsion, impelling force, motive force, ... 更多driving force, drive, thrust, continuing motion, energy, force, power, push, steam, strength
   • ▪ something that makes a process or activity happen or happen more quickly the ending of the Cold War gave new impetus to idealism 同義詞 motivation, stimulus, incitement, incentive, inducement, ... 更多inspiration, encouragement, boost, urging, pressing, goading, spurring, prodding, informala shot in the arm
3. • 更多解釋

   impetus

   • IPA[ˈimpədəs]

   美式

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

   Oxford American Dictionary