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单词 radon
释义
Radon
nnoun.substancea 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
Synset:Rn atomic number 86
Hypernyms:chemical element element argonon inert gas noble gas
Inherited Hypernyms:radonchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:radonchemical elementsubstancepartrelationabstractionentity
Inherited Hypernyms:radonnoble gaschemical elementsubstancematterphysical entityentity
Inherited Hypernyms:radonnoble gaschemical elementsubstancepartrelationabstractionentity
Inherited Hypernyms:radonnoble gasgasfluidmatterphysical entityentity
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更新时间:2024/11/13 11:02:42