名词
中文翻译：发卡状曲线
同义词：
['straight-line curve', 'hairpin turn']
例句：
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1.The architect designed a hairpin curve in the road to make it more aesthetically pleasing.
建筑师在道路中设计了一个发卡状曲线，使其更具美感。
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2.The car's steering wheel was designed with a hairpin curve to improve handling.
汽车的方向盘设计有发卡状曲线，以改善操控性能。
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3. The engineer used a hairpin curve to bend the metal sheet into the desired shape.
工程师使用发卡状曲线将金属板材弯曲成所需的形状。