radon
['reidɔn]
n.氡
例句与用法:
Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.
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
A radioactive, inert, gaseous isotope of radon, with a half-life of 3.92 seconds.
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
词形变化:
简写符号: Rn |
详细释义:
n.
【化】氡