surrounding rock

例句：

1. 1. The mountain range is surrounded by a vast expanse of grassland.
   这座山脉被广阔的草原所包围。
2. 2.The ancient city was surrounded by walls and towers.
   这个古老的城市被城墙和塔楼所环绕。
3. 3.The river flows through the town, surrounded by lush forests.
   这条河流穿过城镇，周围是郁郁葱葱的森林。