英语词汇“actinium”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	actinium
释义	actinium noun uncountable chemistry UK /ækˈtɪniəm/ DEFINITIONS1 1 a chemical element that is a rare radioactive metal. Its symbol is Ac. Synonyms and related words Chemical elements actinium alkali metal aluminium actinium noun uncountable chemistry US /ækˈtɪniəm/ DEFINITIONS1 1 a chemical element that is a rare radioactive metal. Its symbol is Ac. Synonyms and related words Chemical elements actinium alkali metal aluminum
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