友情提醒:点击  ,可以收听真人发音
polonium [pə'ləuniəm]    添加到生词本 复制网址
基本释义
  • n. 钋
英英解释
  •  1个名词解释

    1. a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
      [同] atomic number 84, po, polonium