护墙

例句：

1. 1.The wall is made of bricks andmortar.
   这堵墙是用砖和砂浆砌成的。
2. 2. The wall was built toprotect the house from intruders.
   这堵墙是建来保护房子免受入侵者的侵扰的。
3. 3. The wallpaper was peeling offthe wall.
   墙纸正从墙上剥落。