extrusive rock的用法和樣例：
例句
- The extrusive equivalent of granite is rhyolite.
而流紋岩則是與花崗岩成分相同的酸性噴出岩。 - Geologists would also call it extrusive rock because it solidified on the Earth's surface.
因為它是噴出地球表面凝固而成，地質學家也稱它為噴出岩。 - Basalt is the commonest volcanic rock.
玄武岩是最普通的火山岩。 - Volcanic rock can become favorable oil-gas reservoirs.
火山岩可以成為良好的油氣儲層。
