名词
中文翻译：重力的
同义词：
['gravitational', 'weight']
例句：
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1.The gravific force between the planets is what keeps them in orbit.
行星之间的引力是它们保持在轨道上的原因。
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2.Gravitational waves are a new type of particle that have been detected by LIGO.
引力波是一种新类型的粒子，已经被LIGO探测到。
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3.The gravific field of gravity is responsible for holding objects together.
引力场是使物体结合在一起的原因。