Newton's law of gravity is a mathematical description of the way bodies are observed to attract one another, based on many scientific experiments and observations. Gravity在牛顿提出引力之前是严肃，严重性的意思，为什么牛顿用它命名引力 显示全部 关注者 2 被浏览 Gravitational pull see gravity gravity the force of attraction between two objects which is influenced by the mass of the two objects and the distance between the two objects.
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