After some time of uninterrupted fall, the body is moving so rapidly that the drag of the air is as great as the weight of the body, so that there is no acceleration.
经过一些时间的自由降落后，落体运动得很快，以至空气拽力(阻力)与落体的重量相等，于是就没有加速度了。
In the last years of his life, he was desperate against drag seriously to Shanghai to visit his body to the teacher, three months after he died, this lets a person very much.
在他生命的最后岁月里，他曾不顾反对拖着重病的身体前往上海探望他的恩师，回国后三个月他便去世了，这让人非常感动。
They must not drag my body on the ground after they have taken my skin.
他们绝不能拖我的身体在地上后，他们已采取我的皮肤。
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