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	examination examination-in-chief examine examiner exam paper example exasperate exasperated exasperating exasperation excavate excavation excavator exceed exceedingly exceed (someone’s) expectations excel excellence excellency excellent excellently excel yourself except excepted excepting

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