radon 详细解释
radon
['reidɔn]
n.氡
词形变化
简写符号: Rn |
英英释义
名词 radon:
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
同义词：Rn, atomic number 86
补充
radonradon英:[ˈreidɔn] 美:[ˈredɑn]n.1.氡热门单词推荐
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