一些物体,比如一些旧的太空火箭或卫星碎片,在地球上以非常高的速度运动,速度如此之快,以至于一个非常小的碎片都能破坏重要的卫星或对宇航员造成危险。
Objects, like bits of old space rockets or satellites, move around the planet at very high speeds, so fast that even a very small piece can break important satellites or become dangerous to astronauts.
有次,我们攀登了一座非常高的山峰。
蝙蝠会发出我们听不到的非常高的超声波脉冲。
The bat emits these ultrasonic pulses, very high pitch sound waves that we cannot hear.
It gives you a lot of expressive convenience, you can write the programs much more cleanly, but most importantly, it's fast.
你可以把一些程序写的更清楚,最重要的是,它的效率非常高。
It's not the best form of food in that they're actually very poor in protein, and unfortunately very, very rich in cyanide.
但木薯的根并不是最好的食物,因为它的蛋白质含量很少,而更不幸的是,它的氰化物含量非常,非常高。
That would put you out here; you would have very much more return, but you'd have more risk.
那就会落在这个点上;,你可能有非常高的回报,但你的风险也增加了。
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