柯林斯詞典gravitational /?ɡr?v??te???n?l/ 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(guò)每秒11公里，它就能擺脫地球引力。 返回 gravitational