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	radon n. Chem. a gaseous radioactive inert element arising from the disintegration of radium, and used in radiotherapy. Usage Symb.: Rn. Etymology: RADIUM after argon etc.
随便看	reach reacquaint reacquire re-act react reactance reactant reaction reactionary reactivate reactive reactor read housemaster houseroom housetop housewife housewifery housework housey-housey housing hove hovel hover hovercraft

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