gravity [ˈgrævəti]
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基本释义
n.重力,引力,地心引力
英英释义
the force which attracts objects towards one another, especially the force that makes things fall to the ground
参考例句
An apple falls down because of gravity. 由于重力的关系,苹果往下掉。
The stone rolled down the mountain by gravity. 这块石头由于重力作用而滚下山。
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