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	out of/beyond someone’s reach out of/from nowhere out of/from thin air out on a limb outpace outpatient outperform outplacement outplay outpost outpouring output outrage outrageous outran outrank outreach outrider outrigger outright outro outrun outré outscore outsell

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