讨论了由普通毛巾（纯棉织品）或者纱布经特殊化学表面处理而制成的多功能洗涤巾。
This paper discusses the versatile washing towel which is made of a common towel (cotton textile) or a gauze by special chemical surface treatment.
虽然第一眼看上去，它只是个普通的白色毛巾，但在另一面印上了沙子的图案。 这样，你去游泳时，把值钱的东西盖在毛巾下，就能有效伪装，保护你的财产。
Though just an ordinary white towel at first glance, when turned over it has a photo of sand printed on the back that will camouflages and protects your valuables when you go swimming.
一个普通湿毛巾起不了什么作用。
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