radon

美音音标: ['reɪdɒn] radon
英音音标: ['reɪdɒn] result.0.expl|add:"

解释
氡;

同义
radon rn atomic number 86
词性
n
解释
a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
示例
None