clean surface

基本解释

Clean surface of organic film and other debris.
清洁表面的有机物膜和其他的残骸。
This material has a durable and easy to clean surface.
这种材料的表面耐用并易一地清洗。
www.365-world.cn
This process could explain why many space rocks orbiting nearby appear pristine, as if they were covered in a new and clean surface, researchers said.
研究人员说：这个过程可以解释为什么很多轨道临近地球的太空岩石看起来没有受损，表面很新，很干净。

Although, I honestly believe that this would probably be far more thorough than someone trying to wipe and clean every surface.
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