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

单词	promethium
释义	promethium noun uncountable chemistry UK /prəˈmiːθiəm/ DEFINITIONS1 1 a chemical element that is a radioactive metal. Its symbol is Pm. Synonyms and related words Chemical elements actinium alkali metal aluminium promethium noun uncountable chemistry US /prəˈmiθiəm/ DEFINITIONS1 1 a chemical element that is a radioactive metal. Its symbol is Pm. Synonyms and related words Chemical elements actinium alkali metal aluminum
随便看	hiv hive hivemind hives hiv negative hiv positive hiya hm hmb hmg hmi hmm hmo hmp hmrc hms hmu hnc hnd hnwi ho hoagie hoard hoarding hoar-frost

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