英语词汇“actinium”的读音、意思、造句、用法及中英文翻译-迷途网

词汇	actinium
释义	actinium noun /ækˈtɪniəm/ /ækˈtɪniəm/ [uncountable] (symbol Ac) a chemical element. Actinium is a radioactive metal.锕（放射性化学元素）词源early 20th cent.: from Greek aktis, aktin- ‘ray’ + -ium, used to form names of metallic elements.
随便看	downtime downtimes down to down to earth down-to-earth down-to-earthness down tools down to the final down to the last down to the last, smallest, final, etc. something down to the last, smallest, final, etc. sth down to the smallest downtown downtown_1 downtown_2 downtown_3 downtowner downtowners downtowns downtrend downtrends downtrodden downtroddenness downtroddennesses down-tubes

迷途网英语在线翻译词典收录了310088条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。