S 1. 推动,促进,刺激 thing that encourages a progress or develop more quickly
U 2. 推动力 force with which sth moves
词汇搭配
动词+～
gain〔receive〕 impetus 获得动力,受到推动
give〔lend〕 an impetus to 推动,刺激,促进
形容词+～
fresh impetus 新动力
huge〔powerful〕 impetus 巨大〔有力〕的推动
timely impetus 及时的促进
enormous impetus 极大的推动力
primary impetus 主要推动力
介词+～
under the impetus 靠…的动力
～+介词
impetus from 来自…的推动力
impetus of a cannon ball 炮弹的力量
句型例句
The Civil War provided an impetus to Michigan's growth.南北战争推动了密歇根州的发展。
Her speech gave an impetus to my ideas.她的演说激励了我的思想。
This is the primary impetus behind the economic recovery.这是促使经济复苏的主要动力。
