名词
中文翻译：倒钩的
同义词：
['involute', 'recurve例句：1. The curve ofthe mountain is recurved', 'makingit difficult to climb.（山的曲线是反曲的，使得攀登变得困难。）']
例句：
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1. The curve ofthe mountain is recurved, makingit difficult to climb.
山的曲线是反曲的，使得攀登变得困难。
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2.The car's wheels are recurved, which makes driving more comfortable.
汽车的轮子是反曲的，这使得驾驶更加舒适。
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3. The arches inthe bridge are recurved, providingsupport for the structure.
桥上的拱形结构是反曲的，为结构提供支撑。