Learn English free online - how to pronounce word in English - English Learning Online- www.pronounceword.com
atomic number 99
n.
a radioactive transuranic element produced by bombarding plutonium with neutrons
同义词:
einsteinium
Es
E
网络释义
短语
专业释义
英英释义
atomic number 99
n.a radioactive transuranic element produced by bombarding plutonium with neutrons 同义词:einsteiniumEsE
英汉双解大词典