英语词汇protactinium简单造句、意思、用法及例句-英语例句辞典

单词	protactinium
例句	原声例句 Life Noggin Along with physicist Otto Hahn, she discovered a new element called protactinium. 她与物理学家奥托·哈恩 (Otto Hahn) 一起发现了一种名为镤的新元素。
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