详细释义
- 【化】氡（Rn）
- 镭射气
- 拉东（音译名）
n. (名词)
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
双语例句
- 1. Radon is known to be harmful to humans in large quantities.
- 众所周知，大量的氡会对人体造成伤害。
来自柯林斯例句
- 2. There is an acknowledged risk of lung cancer from radon.
- 氡被认为有诱发肺癌的危险。
来自柯林斯例句
- 3. Radon is the daughter of radium.
- 氡是镭的子体.
来自《简明英汉词典》
- 4. But in two dimensions, Radon transform is not local.
- 但在二维平面上, Radon变换不具有局部性.
来自互联网
- 5. Sections 301 - 311, added in 1988, relate to indoor radon abatement.
- 1988年增加的第301—311条, 涉及的是室内氧的控制问题.
来自英汉非文学 - 环境法 - 环境法
- 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?
用作名词 (n.)
用法讲解
- radon breath analysis 呼吸中的氡含量分析...
- radon gas 氡气
相关词汇
- Rn [化]元素氡的符号（=r...
【近义词】
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