galena
美[gə'liːnə] 英[gə'liːnə]
n. 方铅矿
英英释义
Noun- soft blue-grey mineral; lead sulfide; a major source of lead
例句
用作名词(n.)- Silver in ores is positively correlated with copper but it is absent in galena.矿石中的银与铜呈明显正相关关系
- Lead is rarely found free in nature; it is major in the sulfide and galena.铅在自然界中很少呈游离态，主要存在硫化物和方铅矿中。
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