gravitational
柯林斯詞典
1. ADJ Gravitational means relating to or resulting from the force of gravity. 與引力有關(guān)的; 引力所致的[技術(shù)] [ADJ n]
If a spacecraft travels faster than 11 km a second, it escapes the Earth's gravitational pull. 如果一架宇宙飛船飛行超過每秒11公里，它就能擺脫地球引力。
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