英语词汇“radium emanation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	radium emanation
释义	radium emanation noun Archaic term for radon.By 1900, Friedrich Dorn discovered the isotope radon - 222 and called it radium emanation (Em).... In 1921 Margaret Uhlig suggested that radium emanation, later known as Rn, may be the cause of the lung cancers.
随便看	photonic crystal photonics photonovel photo-novelette photon rocket photon torpedo photonuclear photonymograph photo-offset photo op photo opportunity photoorganotroph photoorganotrophic photoorganotrophy photo-oxidation photo-oxidative photo-oxidise photo-oxidizable photo-oxidize photo-pass photopathy photopeak photoperiod photoperiodic photoperiodically

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。