久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

首頁英語詞典impetusimpetus英英釋意

impetus

英 ['?mp?t?s] 美['?mp?t?s]
  • n. 動力；促進；沖力

英英釋意

1. a force that moves something along
2. the act of applying force suddenly;
"the impulse knocked him over"