radon
音标发音
- 英式音标 [ˈreɪ.dɒn]
- 美式音标 [ˈreɪ.dɑːn]
- 英式发音
- 美式发音
基本解释
- n.氡
英汉例句
- 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.)
英英字典
- a chemical element that is a radioactive gas formed when radium decays and found naturally in rock and soil