roofing millboard

例句：

1. 1.The roof of the house is in need of repair.
   这所房子的屋顶需要修理。
2. 2. They installed new shingles on the roof.
   他们在屋顶上安装了新的瓦片。
3. 3. The tiles on the roof are old and need to be replaced.
   屋顶上的瓷砖旧了，需要更换。