防雨的英文：
rainproof

Is the tent waterproof?
这顶帐篷防雨吗？

This material is impervious to rain-water.
这种材料防雨.

This stage is impervious to rainwater.
这层是防雨的。

Sheet metal used to reinforce and weatherproof the joints and angles of a roof.
防雨板，盖片屋顶接缝处或角上用于加固或防风雨的金属薄板