名词
中文翻译：Unknown
同义词：
['straightness', 'straight line', 'curve', 'arc', 'radius']
例句：
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1. Thecurve of the road is quite sharp.
这条路的曲线相当陡峭。
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2. The scientist used acurved ruler to measure the angle.
科学家用一把弯尺来测量角度。
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3. Thecar's wheels are designed with acurved shape for better handling.
汽车的车轮设计成曲线形状，以便于更好的操控。