stob

例句：

1. 1. The builders used the stone to build the house.
   建造者用石头建造了房子。
2. 2. The ancient city is covered with layers of stubborn stones.
   古老的城市被固执的石头覆盖着。
3. 3. The river flows through a landscape of boulders and stobs.
   河流流经一块块巨石和石块组成的景观。