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

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
随便看	letter-perfect letters letters of administration letters rogatory let the cat out of the bag let the dust settle let the genie out of the bottle let them eat cake let there be something lettuce let up let-up letup let us suppose let your hair down let yourself go letzeburgesch let’s (let’s) face it let’s hear it let’s hear it for let’s roll/let’s get rolling let’s see leucocyte leukaemia

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