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-现代词典

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	natural right natural science natural selection nature Nature Conservancy, the nature reserve nature trail naturism naturist naturopath naturopathic naturopathy Naugahyde naught naughtily naughtiness naughty Nauru nausea nauseate nauseated nauseating nauseatingly nauseous nauseously

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