墙

例句：

1. 1. The wall of the building is made of bricks.
   这座建筑的墙壁是用砖砌成的。
2. 2. The wallpaper was peeling off the wall.
   墙纸从墙上剥落了。
3. 3. The wall of the room was covered with books.
   房间里的墙壁上摆满了书。