单词	radionuclide
释义	radionuclide /ˌreɪdɪəʊˈnjuːklʌɪd / noun A radioactive nuclide.Alpha emitting radionuclides emit alpha particles, each consisting of 2 protons and 2 neutrons.... This is a partial list of radionuclides that decay by positron emission and have been used in biomedical imaging studies. Gamma radiation from medically useful radionuclides is substantially attenuated by 1 to 2 inches of lead.
随便看	clock speed clock tower clock-watch clock-watcher clock watcher clockwise clockwork clod cloddish cloddishly cloddishness clodhopper clodhopping clodpole clog clog dance clog dancer clog dancing clogger cloggy cloisonné cloister cloistered cloisterer cloistral

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。