radon
音標發(fā)音
- 英式音標 [?re?.d?n]
- 美式音標 [?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.
氡是鐳的子躰。 - Where does the indoor radon come from?
室內氡氣是從哪裡而來?
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