名词
中文翻译：曲线变宽
同义词：
['straightening', 'straightening']
例句：
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1.The car's tires are gradually curving widening.
汽车的轮胎正在逐渐变宽。
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2.As the river flowed, it was constantly curving widening.
随着河流流动，它不断地变宽。
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3. The curved road is a common sight in this area.
这条弯曲的道路是这个地区常见的景象。