不过，要改变大气层使人类能够在那里生活，还需要更长的时间。

It will take a bit longer, though, to transform the atmosphere so that human beings could live there.

youdao

人类不停地朝变形金刚开火，不过在科幻片的历史上，还从来没有外星人被枪炮伤到的记录。

The humans shoot at the Transformers a lot, although never in the history of science fiction has an alien been harmed by gunfire.

youdao

不过，人类的纪录并非唯一可用的纪录。

Human records, however, are not the only sort available.

youdao

It makes sense when you hear it but it's the sort of finding that's been validated over and over again with animals and nonhumans.

这听上去很有道理,不过这个发现已经在动物,以及非人类身上得到了反复的验证。

耶鲁公开课 - 心理学导论课程节选

Now, they have no choice, they cannot rely as human beings typically do on just doing what your parents did, just inheriting a tradition that functions, that works, that keeps you going.

不过他们别无选择,他们不能像人类常做的那样,依靠重复父辈做的事,继承传统的职责,工作,这些能激励你坚持下去

耶鲁公开课 - 古希腊历史简介课程节选