名词中文翻译
中文翻译：引力电荷
同义词：
['gravitational field', 'gravitational force']
例句：
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1. The spacecraft was traveling at aspeed of approximately 20,000 miles per hour.
宇宙飞船以大约每小时20,000英里的速度飞行。
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2. Gravitational forcesare responsible for the movement of planetsand stars.
引力力是行星和恒星运动的原因。
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3. The gravitational pullof the Earth causes objects to fall towardsthe center.
地球的引力作用使物体向中心下落。