trachyte是什么意思

n.[地]粗面岩

1、This mountain range is composed mainly of trachyte. 这个山脉主要由粗粒岩组成。
2、The trachyte is often used as a building material due to its durability. 由于其耐久性，粗粒岩经常被用作建筑材料。

一种灰色、粗粒岩石，主要由钠长石和斜长石组成，常见于火山喷发物中。