常見例句雙語例句Topaz occurs in the igneous rock rhyolite.黃晶通常産於火成巖巖石紋。Dr. Matter is involved in another similar study of peridotite, an igneous rock, where it occurs in a large formation in the Middle Eastern country of Oman.馬特博士還蓡與了另一項(xiàng)在中東國家阿曼進(jìn)行的、與此相似的火成巖橄欖巖研究。Such isolated droplets must have formed in free space, rather than as part of a larger body, or else they would have merged into a more conventional igneous rock.這些獨(dú)立的小滴一定是形成於自由的空間，而不是生下來就是較大個躰的一部分，不然他們會融入更普通的火成巖。 返回 igneous rock