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	hissy fit hist. histamine histogram historian historic historical historical dictionary historically history history in the making history is repeating itself history list history sheeter history will show/record/judge etc history will show/record/judge etc. histrionic histrionics his/her/your grace hit hit-and-miss hit-and-run hit a/the wall hit back hitch

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