英语词汇“escape velocity”是什么意思，“escape velocity”的读音、用法及例句翻译-烛光网

词汇	escape velocity
释义	escape velocityn.（名词） The minimum velocity that a body must attain to overcome the gravitational attraction of another body, such as the earth.逃逸速度，脱离速度：一个物体为了摆脱另一物体万有引力的作用而必须具有的速度，例如地球的第二宇宙速度
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