像玄武岩的

例句：

1. 1. The ancient city is built on a layer of basalt.
   这个古城建在一层玄武岩上。
2. 2. The basalt formation in the park is very beautiful.
   公园里的玄武岩形成非常漂亮。
3. 3.Basalt is a type of volcanic rock that has a hard and durable texture.
   玄武岩是一种火山岩石，质地坚硬且耐用。