extrusive rock

• 喷出岩

extrusive rock的用法和样例：

例句

1. The extrusive equivalent of granite is rhyolite.
   而流纹岩则是与花岗岩成分相同的酸性喷出岩。
2. Geologists would also call it extrusive rock because it solidified on the Earth's surface.
   因为它是喷出地球表面凝固而成，地质学家也称它为喷出岩。
3. Basalt is the commonest volcanic rock.
   玄武岩是最普通的火山岩。
4. Volcanic rock can become favorable oil-gas reservoirs.
   火山岩可以成为良好的油气储层。