N: Is that because the earth is more massive and so has greater gravitational pull?
尼基：是不是因为地球比较重，地心引力也就比较大？
Each insert withstands over 1,500 pounds (6672 n) of pull force when properly installed.
在正确安装后，每个嵌入件都能够承受1,500磅(6672N)的拉力。
At such times my sisters or I would pull him through the streets of Brooklyn, N. Y., on a child's sleigh to the subway entrance.
每当这时候，我或姐妹们就用小孩子玩的雪橇穿过纽约市布鲁克林大街把他推到地铁入口处。
At such times my sisters or I would pull him through the streets of Brooklyn, N. Y., on a child's sleigh to the subway entrance.
每当这时候，我或姐妹们就用小孩子玩的雪橇穿过纽约市布鲁克林大街把他推到地铁入口处。
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