名词
中文翻译：硬表面
同义词：
['hardened surface', 'hardened surface']
例句：
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1.The car has a hard surface that makes it easy to clean.
这辆车有一个硬表面，很容易清洁。
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2.The floor of the classroom is made of hard surfaces that can be easily wiped down.
教室的地板是由硬质表面制成的，可以很容易地擦拭干净。
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3.The texture of the material is hard, making it suitable for use in industrial applications.
这种材料的质地坚硬，适合用于工业应用。