extrusive rock的用法和樣例：
例句
- The extrusive equivalent of granite is rhyolite.
而流紋巖則是與花崗巖成分相同的酸性噴出巖。 - 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(zhì)學(xué)家也稱(chēng)它為噴出巖。 - Basalt is the commonest volcanic rock.
玄武巖是最普通的火山巖。 - Volcanic rock can become favorable oil-gas reservoirs.
火山巖可以成為良好的油氣儲層。
