On在此处什么意思，这句话怎么翻译
when falling at speeds up to 60 miles per hour, cats stretch their legs which increases their air resistance and reduces the shock of impact on hitting the ground.还有at speeds up to 中的up to 是：直到（达到）的意思吧
最佳答案 2020-12-10 12:53
When falling at speeds up to 60 miles per hour, cats stretch their legs which increases their air resistance and reduces the shock of impact on hitting the ground.
1. up to 60 miles per hour：作 speeds 的定语，因为有了 up to，省略了 of。
2. on 跟impact有关，impact on 对……有影响。如：
This has a big impact on the winter of 2018.
这对2018年冬天有很大的影响。
This is the first time that a study has set out to examine whether giving up smoking has impact on memory.该研究首次着手检验戒烟是否对记忆有影响。
介词 on 其中一个用法是：表示“针对，施加于”，和具有类似词义的动词、名词或形容词连用。例如：
The government imposed export restraints on some products. 政府对某些产品实行出口限制。
impose表示“把......强加于”：把出口限制强加给一些产品。
The police used unnecessary violence on the crowd. 警察对群众施加不必要的暴力。
The computer has a great impact on modern life. 计算机对现代生活产生了很大的影响。
How will the war impact on his generation? 战争对他这一代会有什么影响呢?
Many a woman has great influence on her husband. 许多女人对丈夫有很大影响。
The government imposed export restraints on some products. 政府对某些产品实行出口限制。
She centered her affection on her son. 她把爱集中在儿子身上。
Punishment had very little effect on him. 惩罚对他没有什么效果。
Don't be too hard on him; he didn't mean to do it. 不要对他太严厉，他并不是故意这么做的。
The doctor performed an operattion on the patient. 医生给病人做了手术。
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