radon是什么意思

n. 氡
[化] 氡Rn

n. 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的用法和例句

1.It’s been shut down for years, but the building has never been leased since because of a radon leak underground.

那里已经关门多年了 但那栋楼之后都没租出去过 因为地下有氡气泄露

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