impact

No one could have survived such an impact.没有人遭到这样的撞击还能活下来。

The bomb exploded on/upon impact (with the ground). [=when it hit the ground]炸弹撞击（地面）后爆炸。

These warnings have been heard so often that they have lost their impact.这些警告人们听得太多了，已经失去了作用。

The book had a huge impact when it first came out.这部书第一次出版时就产生了巨大影响。

We need to be concerned about the environmental impacts of all this construction.我们需要考虑到这样施工对环境的影响。

She expects to make an immediate impact at work.她期望在工作中取得立竿见影的效果。

The stress of her job is having a negative impact on her health. [=is harming her health]她的工作压力正对她的健康产生负面影响。

We hope that these programs will have a positive impact on the community. [=will help the community]我们希望这些计划会对社区产生积极影响。

No one is sure how these changes will impact our relations with other countries.没人确切知道这些变革将如何影响我们的对外关系

Both events negatively impacted her life.这两起事件都对她的生活产生了负面影响。

The tax increase will impact low-income families the most.增加税收将对低收入家庭产生最大影响。

The poor economy is impacting on/upon small businesses.疲软的经济正对小型企业产生影响。

A crater was formed at the point where the meteor impacted the planet's surface.流星撞击行星表面后，在撞击点形成了陨石坑。