名词
中文翻译：曲率
同义词：
['straightness', 'straight line', 'curve', 'radius of curvature例句：1. The curved path leads to the center of the lake.（这条弯曲的路径通向湖心。）']
例句：
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1. The curved path leads to the center of the lake.
这条弯曲的路径通向湖心。
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2.The car's steering wheel has a slight curve at the top.
汽车的方向盘顶部有轻微的弯曲。
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3. The arc of the circle is the same as its radius of curvature.
圆的弧长等于其曲率半径。