名词
中文翻译：粗糙度
同义词：
['roughness', 'unevenness', 'irregularity']
例句：
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1. Thesurface of the stone is quite rough.
这块石头的表面相当粗糙。
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2. The car's paint job has a lot of unevenness.
这辆车的油漆工作有很多不平整的地方。
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3. The rocks are covered in moss and have an irregularity in their shape.
这些岩石上长满了苔藓，形状不规则。