radon

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n.

氡 简写符号:Rn

radon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

TAG: radon

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