radon
音標(biāo)發(fā)音
- 英式音標(biāo) [?re?.d?n]
- 美式音標(biāo) [?re?.dɑ?n]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n.氡
英漢例句
- 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?
用作名詞 (n.)
英英字典
- a chemical element that is a radioactive gas formed when radium decays and found naturally in rock and soil