英语词汇“radon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	radon
释义	radonradon /ˈreɪdɑn/ noun [uncountable] (symbol Rn) Etymology ETYMOLOGYradon Origin: 1900-2000 radium science, chemistry a radioactive gas that is an element and that can be dangerous in large amounts
随便看	plaque plasma plasma membrane plasma screen plasma TV plasmid plaster plasterboard plaster cast plastered plasterer plaster of Paris plastic plastic art plastic bullet plastic explosive plasticity plastic surgeon plastic surgery plastic wrap Plata, Río de la plat du jour plate plateau plate boundary

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