impact /ˈimpækt/ n. ［u］ 1. 撞击：The car body collapses on impact. 汽车车身在碰撞时塌陷。 The car hit the stone wall with great impact. 汽车猛地撞在石墙上。 2.影响，作用：This book had/made a great impact on its readers. 这本书对读者产生了很大的影响。［考句］Professor Taylor’s talk has indicated that science has a very strong impact on the life of non-scientists as well as scientists. Taylor教授的演讲表明，科学对科学家和非科学家的日常生活都有重要影响。