basaltic dome

例句：

1. 1.The ancient city is covered with a layer of basalt domes.
   这座古城被一层玄武岩穹顶覆盖着。
2. 2.The scientists used the basalt dome to study the effects of earthquakes.
   科学家们利用玄武岩穹顶研究地震的影响。
3. 3. The basalt dome has been a popular tourist attraction for centuries.
   玄武岩穹顶是几个世纪以来的热门旅游景点。