这就是吸引力。
Gravity is a very weak attractive force.
地心引力是一种非常微弱的引力。
This student has a huge influence, and encouraged by the attractive force.
这对学生有巨大的感染力、吸引力和鼓舞力。
Under Newton's model, gravity was the result of an attractive force between massive objects.
根据牛顿的模型，重力的原因是一个有吸引力的巨大物体之间生效。
Under Newton's model, gravity was the result of an attractive force between massive objects.
根据牛顿的模型，重力的原因是一个有吸引力的巨大物体之间生效。
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