dampproof

例句：

1. 1.The shoes are designed to be dampproof and comfortable for walking on wet surfaces.
   这些鞋子设计为防水且适合在湿滑表面上行走。
2. 2. To keep the books dry, they use a dampproof cover.
   为了保护书籍不受潮湿影响，他们使用了一个防水封面。
3. 3. The new product is dampproof, which means it can resist moisture.
   这款新产品是防水的，意味着它可以抵抗水分。