氡
氡 的英文翻译
niton
radon
氡 的中文句子和英文句子
射气几种氡的同位素的放射性气体,是放射性物质衰变的产物
Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.
锕射气氡的一种放射性的,惰性的和气态的同位素,其半衰期为3。92秒
A radioactive, inert, gaseous isotope of radon, with a half-life of3.92 seconds.