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来源:雅诚德英语网
Once you start moving along such a curve, you are required to come back to precisely the point at which you started.
一旦你开始沿着这样的曲线移动,你就需要精确地回到你起始的地方。
Once you start moving along such a curve, you are required to come back to precisely the point at which you started.
一旦你开始沿着这样的曲线移动,你就需要精确地回到你起始的地方。