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单词
ruthenium
释义
ru
·
the
·
ni
·
um
/ruːˈθiːnɪəm/
n.
【
化
】
钌
[NL < ML Ruthenia Russia, 因首先发现于乌拉尔的铂矿中,故名]
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更新时间:2026/4/29 23:06:38