radon
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时间:2025-05-04 17:16:01
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n.
氡 简写符号:Rnradon详解释义
radon
n.(名词)【化】氡(Rn)
镭射气
拉东(音译名)
Noun
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
radon例句
用作名词(n.)
Radon is the daughter of radium.
氡是镭的子体。
Where does the indoor radon come from?
室内氡气是从哪里而来?
radon近义词
Rn
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radon