英语词汇radon的翻译、用法及例句-MX2U.com英汉词典

词汇	radon
释义	radon noun [ U ] uk/ˈreɪ.dɒn/ us/ˈreɪ.dɑːn/ (symbol Rn) 氡（镭衰减时形成的一种放射性元素，发现自然存在于岩石和土壤中） a chemical element that is a radioactive gas formed when radium decays and found naturally in rock and soil Tests showed high radon levels. 试验表明氡含量较高。
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