单词:poloniums
音标:[pə'ləʊnɪəm] ;
n. [化学] 钋(一种放射性元素)
单词:poloniums 相关文章
本期内容: A public inquiry in London reported that Alexander Litvinenko, an ex-KGB officer, was murdered in 2006 by two men working for Russias security service, probably on Vladimir Putins orders. Russia dismissed the report. Mr Litvinenko, a
发表于:2019-03-02 / 阅读(61) / 评论(0)
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