这样微距摄影有了它的用武之地，它使我们看到世界上非常细小的东西，这很大程度上帮助我们更加了解和认识世界，让我们的生活增添色彩。
This is where macro photography comes in. It gives us a glimpse into the world of the very small, which goes largely unnoticed by us as we hurriedly shuffle through our day.
在无数遥远的星系中，并非只有长蛇座才显示出红移现象，由于宇宙一直在膨胀，所有的东西都在移动，之所以能较容易地观察到长蛇座的红移，是因为星系距我们越远，其远离我们而去的速度就越快。
Everything is shifting, because the universe is expanding. It's just easier to see Hydra's redshift because the farther a galaxy is from our own, the faster it is moving away.
因为距我上次吃饭，已经超过8个小时了，如果我不吃东西的话，我这虚弱的身体，根本无法在之后的时间去帮助基斯。
It had been over eight hours since I had eaten last; and with the wreck I had been if I didn't eat I'd be of no use to Keith later.
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