radon ['reidɔn]
参考词典中radon的常规释义：
基本释义
- n. 氡
英英解释
1个名词解释
- 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
[同] atomic number 86, radon, rn
点击查看……- 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
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