经过人类几千年的活动与开采利用后，欧洲所有的森林都是人造的。

All European forests are artificial, having been adapted and exploited by man for thousands of years.

youdao

同样，很难想象一个这样的系统：不管是好是坏，都没有经过人类文化的实质性修改。

It is also true that it is difficult to think of a single such system that has not, for better or worse, been substantially modified by human culture.

youdao

但是这些数字是经过人为的压低的。

But these Numbers are artificially low.

youdao

and almost, I'd say, almost not a day goes by without somebody asking me,

我想说，几乎没有哪次我经过没有人来问路，

世界的宝物都聚于此 - SpeakingMax英语口语达人

After very brief exposures to people, people are very accurate at identifying them on "The Big Five."

经过短暂的接触，人们就能很准确地评价这些人的大五人格“

耶鲁公开课 - 心理学导论课程节选

So, if you were someone that was getting it after it had been passed through many people, you wouldn't have as strong or as lengthy a protection as the first individual did.

如果一个疫苗经过很多人的传递,再接种到你身上,你不会获得像第一个接受疫苗的人,那样强效持久的免疫效果

耶鲁公开课 - 生物医学工程探索课程节选