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	brood broodily broodiness brooding broodingly broody brook Brooklyn broom broomstick Bros. broth brothel brother brotherhood brother-in-law brotherliness brotherly brougham brought brouhaha brow browbeat brown brown-and-serve

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