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1.The cake was so soft and round that it could not be cut without breaking.
这蛋糕太软了，以至于不能不破坏地切开。
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2. The car's tires were rounded out to improve its handling.
汽车的轮胎被打磨成圆形以提高操控性能。
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3.The chef used a special tool to round the edges of the pie crust.
厨师用一种特殊的工具来打磨馅饼皮的边缘。