chuff brick

例句：

1. 1.The builders used these chuff bricks to build the house.
   建筑工人使用这些砖块来建造房子。
2. 2. The old house was made of chuff bricks.
   这所老房子是用砖块建造的。
3. 3.They were using chuff bricks to repair the wall.
   他们正在用砖块修补墙壁。