Anything that is dropped falls towards the centre of the earth because of the pull of gravity.

物体脱手即向地心方向跌落是由于重力吸引的缘故.

《现代英汉综合大词典》

The pull of gravity depends upon size, or, more accurately, upon mass.

引力的拉力取决于物体的大小, 或者更确切地说, 取决于质量.

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Finally, it let go 5, surrendering to the pull of gravity.

最终, 露珠儿屈服于重力的牵引, 放手了.

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Finally, it let go , surrendering to the pull of gravity.

最终, 露珠儿屈服中立的牵引, 放手了.

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The thing the smaller pull of gravity on it the less and the weight the less.

东西越小,地心引力对它的吸力越小,重量也就越轻.

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The smaller the thing the less pull of gravity on it and the less the weight.

东西越小,地心引力对它的吸力就越小,重量也就越轻.

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