单词:radon
[化] 氡Rn
radon的用法和样例:
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?
词汇搭配
- radon breath analysis呼吸中的氡含量分析...
- radon gas氡气
- Rn[化]元素氡的符号(=r...
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