英语词汇protactiniums怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	protactiniums
释义	protactinium[,prəutæk'tiniəm] n.【化学】镤(元素符号Pa)[亦作protoactinium]
随便看	tie down tie-down tie-down diagram tie-down point tie downs tie-downs tied rank tied ranks tied to someone's apron strings tie-dye tie-dyed tie-dyeds tie-dyeing tie-dyes tieer tie flight tie hand and foot tie in tie-in tieing tie in knots tie ins tie-ins tie-in sale tie into

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