impetus

英 ['ɪmpɪtəs]美 ['ɪmpɪtəs]
  • n. 动力；促进；冲力
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中文词源

impetus 推动，促进，刺激

im-,进入，使，-pet,追逐，冲击，词源同compete,appetite.引申词义推动，促进，刺激等。

英文词源

impetus (n.)
early 15c., impetous "rapid movement, rush;" 1640s, with modern spelling, "force with which a body moves, driving force," from Latin impetus "attack, assault, onset, impulse, violence, vigor, force, passion," related to impetere "to attack," from assimilated form of in- "into, in, on, upon" (see in- (2)) + petere "aim for, rush at" (see petition (n.)).

双语例句

1. This is the primary impetus behind the economic recovery.
这是促使经济复苏的主要动力.
来自《简明英汉词典》
2. The treaty gave a fresh impetus to trade.
这条约使双方的贸易又推进了一步.
来自《简明英汉词典》
3. Children need an impetus to study.
儿童学习需要动力.
来自《现代汉英综合大词典》
4. This is an encouragement [ impetus ] to us.
这是对我们的 鞭策.
来自《现代汉英综合大词典》
5. Her speech gave an impetus to my ideas.
她的讲话激发了我的思绪.
来自《现代英汉综合大词典》