Shedding moisture; not admitting water.

除湿气的；不透水的。

Any material treated so as to shed water; esp. a garment, as a raincoat, made of such material.

防水衣料；防水衣；雨衣。

To make secure against water, as a garment or a roof.

使不透水(如衣服或屋顶)。