Escape velocity is simply the speed of an object that's shot out of a cannon the minimum initial speed so that the object could later escape Earth's gravity on its own.

逃逸速度就是一个物体的速度，比如说，从加农炮中射出的最小初始速度，这样这个物体以后就可以自己脱离地球的引力。

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With the camera in manual mode, however, you control the shutter speed to get the shot you really want.

而当相机处于手动模式的时候，由你来控制快门速度从而得到你想要的照片。

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In this case, the 33 megajoules launched the shot 5,500 feet per second, exceeding the speed of sound and releasing a sonic boom.

如若这样，那么3千3百万焦耳发射出的炮弹速度高达每秒5500英尺，这一速度超越了音速，会产生音爆。

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At the perfect moment, Willis shot full speed through the hole, sacking Manning 2.9 seconds after the snap.

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The first chance came within a minute of kick-off as Bolton midfielder Gary Speed's powerful shot cleared the bar.

BBC: SPORT | Football | Premiership | Bolton 3-2 Everton

Most images we see on social media, on the web and increasingly in newspapers and magazines are shot with speed and with the aim of capturing a fleeting moment.

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