water-proofing powder

例句：

1. 1.This waterproofing powder is used to protect wooden furniture from water damage.
   这种防水粉用于保护木质家具免受水损。
2. 2. The painter applied the waterproofing powder evenly on the wall before painting.
   画家在刷漆前将防水粉均匀地涂抹在墙上。
3. 3.To prevent water leaks, we need to use waterproofing powder in our home.
   为了防止漏水，我们需要在家中使用防水粉。