impact

['impækt]

n.
1.[U]冲击，撞击，碰撞
2.[U]冲击力，撞击力
3.影响；作用(+on)
v. [T]
1.压紧；挤满
2.冲击，撞击，碰撞
3.对...产生影响
v. [I]
1.冲击，撞击，碰撞
2.产生影响(+on)

名　词：impac'tion

同：	[n.] encroachment, impingement, shock, wallop [v.] affect, bear on, bear upon, touch

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the striking of one body against another
a forceful consequence; a strong effect
- the book had an important impact on my thinking
- the book packs a wallop
[同] impact, wallop

press or wedge together; pack together
have an effect upon
- Will the new rules affect me?
[同] impact, affect, bear on, bear upon, touch, touch on

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