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	radon noun uncountable chemistry UK /ˈreɪdɒn/ DEFINITIONS1 1 a chemical element that is a rare radioactive gas. Its symbol is Rn. Synonyms and related words Radioactivity and radiation alpha particle atomic becquerel Synonyms and related words Gases acetylene ammonia argon Synonyms and related words Chemical elements actinium alkali metal aluminium radon noun uncountable chemistry US /ˈreɪdɑn/ DEFINITIONS1 1 a chemical element that is a rare radioactive gas. Its symbol is Rn. Synonyms and related words Radioactivity and radiation alpha particle atomic becquerel Synonyms and related words Gases acetylene ammonia argon Synonyms and related words Chemical elements actinium alkali metal aluminum
随便看	emergency brake emergency cord emergency department emergency medical technician emergency room emergency services emerging emeritus emery board emetic emetophobia emi emigrant emigrate eminence eminent eminent domain eminently emir emirate emirati emissary emission emissions trading emit

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