石

例句：

1. 1. The old house has many beautiful stones on the walls.
   这所老房子的墙上有很多漂亮的石头。
2. 2. He carefully picked up the stone and placed it in a vase.
   他小心翼翼地拿起石头，把它放在花瓶里。
3. 3. The path was paved with smooth stones.
   那条路是用光滑的石头铺成的。