wind-grooved stone

例句：

1. 1. This ancient monument is made of wind-grooved stone.
   这座古老的纪念碑是由风蚀石制成的。
2. 2.The artist carefully carved a wind-grooved stone into the shape of a dragon.
   艺术家小心翼翼地将一块风蚀石雕刻成龙的形状。
3. 3. The wind-grooved stone on the wall has been there for centuries.
   墙上的风蚀石已经存在了几个世纪了。