radon是什么意思
2024-02-03 21:46:16
radon
n. 氡
简写符号：Rn
近义词：Rn，
详细释义
n.(名词)
- 【化】氡（Rn）
- 镭射气
- 拉东（音译名）
英英释义
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
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?