gravitational
柯林斯词典
1. ADJ Gravitational means relating to or resulting from the force of gravity. 与引力有关的; 引力所致的[技术] [ADJ n]
If a spacecraft travels faster than 11 km a second, it escapes the Earth's gravitational pull. 如果一架宇宙飞船飞行超过每秒11公里，它就能摆脱地球引力。
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