impact名词 n.
1.冲击,撞击,碰撞[U]
The impact of the stone against the windowpane shattered the glass.
石头撞击窗户打碎了玻璃.
2.冲击力,撞击力[U]
3.影响;作用[S1][(+on)]
The book made a great impact on its readers.这本书对读者有很大的影响.
on时指对...的影响,而of sth是所有格,指...的碰撞/冲击
不及物动词 to impact (up)on sb/sth 冲击某人/某物
to have an impact (up)on sb/sth 对某人/某物产生影响 to make an impact 产生影响 (up)on impact 在碰撞时