音爆的横向伸展取决于高度、速度和大气，而跟飞行器的形状、大小和重量无关。
The lateral spreading of the sonic boom depends only upon altitude, speed and the atmosphere -- and is independent of the vehicle's shape, size, and weight.
其实它所提高的惟一效率就是让打字速度慢下来，因为不管打英语中哪个词，几乎都需要打字员在键盘上更长地伸展手指。
The only efficiency it added was to slow the typist down, since almost any word in the English language required the typist' s fingers to cover more distance on the keyboard.
他以众人吃惊的速度从衣服里伸展拉长，他的声音开始变得嘶哑，时而走调，时而颤抖。他的脸蛋突然变得棱角分明，显得难看。
He grows out of his clothes with indecent haste; his voice grows hoarse and breaks and quavers; his face grows suddenly angular and unsightly.
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