英语词汇“hjelmite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	hjelmite
释义	hjelmite hjelmite [′yel‚mīt] (mineralogy) A black mineral containing yttrium, iron, manganese, uranium, calcium, columbium, tantalum, tin, and tungsten oxide; often occurs with crystal structure disrupted by radiation.
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