我在更多的时间浏览我的逃离速度的副本看看是否有我已经忘记的任何事情。
I thumbed through my copy of Escape Velocity on more time to see if there was anything I'd forgotten.
是为了让火箭的速度足够快，足以逃离地球的引力。
It is to get the rocket going fast enough to escape Earth's gravity.
黑曼巴用它们闪电般的速度逃离威胁，而不是用来捕食猎物。
Black mambas use their incredible speed to escape threats, not to hunt prey.
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