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radon
美音音标: ['reɪdɒn]
radon 美音 真人发音
英音音标: ['reɪdɒn]
radon 英音 真人发音
英汉字典
英英字典
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