Like any natural force, gravity pull can work with us or against us.
习惯的引力如同自然界所有的力量一样,可以为我们所用,也可能危害我们。
Like any natural force, gravity pull can work with us or against us.
与其他自然力一样,地心引力对我们而言,是助力,亦可是对抗力。
Like any natural force, gravity pull can work with us or against us.
与其他自然力一样,地心引力对我们而言,是助力,亦可是对抗力。
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