impact
noun
verb
ˈɪmpækt noun
1
have an impact
the effect or influence that an event, situation etc has on someone or something Do not say ‘cause an impact’ on something. Say on something. 不要说 cause an impact on something，而要说 have an impact on something。 C
[+ on/upon ]
We need to assess the impact on climate change.
我们需要评估对气候变化的影响。
major/significant/ profound etc impact
Higher mortgage rates have already had a major impact on spending.
较高的抵押借款利率已经对消费产生了巨大的影响。
[+ of ]
an international meeting to consider the environmental impacts of global warming
研究全球变暖所造成的环境影响的国际会议
2 the force of one object hitting another 冲击力，撞击力 C,U
The force of the impact knocked the breath out of her.
撞击力使她喘不过气来。
3
on impact
at the moment when one thing hits another 〔与另一物体〕碰撞时
The plane’s wing was damaged on impact.
飞机的机翼因碰撞而受损。
ɪmˈpækt verb
4 to have an important or noticeable effect on someone or something [尤美] （对…）产生〔重要或明显的〕影响
[+ on/upon ]
The Food Safety Act will progressively impact on the way food businesses operate.
《食品安全法》将逐渐对食品业的经营方式产生影响。