Learn English free online - how to pronounce word in English - English Learning Online- www.pronounceword.com






atomic number 84
  • 英语发声
  • 美语发声
  • n. 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

    同义词: polonium Po

  • 网络释义

    短语

    专业释义

    英英释义

    atomic number 84

    n.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

    同义词:poloniumPo




    英汉双解大词典