radon
n.
氡
詳細解釋
n.(名詞)
- 【化】氡（Rn）
- 鐳射氣
- 拉東（音譯名）
英語翻譯 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
造句
用作名詞(n.)
- Radon is the daughter of radium.
氡是鐳的子體。
- Where does the indoor radon come from?
室內(nèi)氡氣是從哪里而來?
常用短語
-
radon breath analysis
呼吸中的氡含量分析...
-
radon gas
氡氣
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