英语词汇promethium怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	promethium
释义	pro·me·thiumBrE /prəˈmiːθiəm/NAmE /prəˈmiːθiəm/ noun [U] (symbol Pm) a chemical element. Promethium is a radioactive metal that was first produced artificially in a nuclear reactor and is found in small amounts in nature 钷（放射性化学元素）
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