rock areas

• 岩溶地区

rock areas的用法和样例：

例句

1. The structure of soil and rock is extremly complex in the discordance formation system in Karst area.
   摘要岩溶地区不整合地层系统之岩土构成复杂。
2. It could be concluded that the grassland animal husbandry is the priority sector for poverty elimination in Karst areas.
   对城步县发展奶业的情况进行了介绍，结果表明草地畜牧业是改变岩溶地区贫穷面貌的首选产业。