cast stone

例句：

1. 1.The old castle is surrounded by a large forest of cast stones.
   古老的城堡被一片森林环绕，这些森林由石头构成。
2. 2.The builders used cast stones to build the walls of the castle.
   建造者使用石头来建造城堡的墙壁。
3. 3. The path leading up to the castle was paved with cast stones.
   通往城堡的路是用石头铺成的。