impetus

名词 impetus:

1. a force that moves something along
   同义词：drift, impulsion
2. the act of applying force suddenly
   同义词：impulse, impulsion

1. The historic strike gave an enormous impetus to the whole American labor movement.
   这次历史性的罢工对整个美国的劳工运动起了很大的推动作用。
2. Impetus of a physical object in motion.
   冲力运动中物体的动力
3. The present conflict may provide fresh impetus for peace talk.
   目前的冲突可能会给和谈提供新的推动力。

im.pe.tus

n.（名词）
【复数】 im.pe.tus.es
An impelling force; an impulse.
推动力；冲力，刺激
The force or energy associated with a moving body.
运动量：一个运动的物体具有的能量或力量

Something that incites; a stimulus.
激励物；刺激物
Increased activity in response to a stimulus:
动力：对刺激物反应增加的活力：
例句：
The approaching deadline gave impetus to the investigation.
即将到来的最后期限推动了谈判

来源：
Latin
拉丁语
from impetere [to attack]
源自 impetere [攻击]
in- [against] * see in- 2
in- [反对] *参见 in-2
petere [to go towards, seek] * see pet-
petere [走向，寻觅] *参见 pet-