我们认为，撞击月球的流星或经过的彗星尾巴可能会留下一些水分子。

We think meteors that crashed into the moon or tails of passing comets may have introduced water molecules.

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当然，过分损坏或经过修补的物体会引起怀疑。

Too much damage to or tinkering with an item would, of course, raise suspicions anyway.

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安全饮用水包括瓶装的、煮沸的、或经过处理的水。

Safe drinking water includes bottled, boiled, or treated water.

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From the fact that after 100,000 years or a million years or whatever it is, eventually life would grow tiresome, that hardly shows that life has grown tiresome after 50 years or 80 years or 100.

虽然经过十万年,或一百万年后，生命会变得了无生趣，但那不能说明经过50，80，百年后,生命会变得无趣。

耶鲁公开课 - 死亡课程节选

and then, from there, well yeah, have another round or so, and then yeah, you get an internship for the summer.

然后经过一或更多轮的赛选，你就可以找到暑期实习了。

实习生到正式员工 - SpeakingMax英语口语达人