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-新都网

单词	radon
释义	radon noun /ˈreɪdɒn/ /ˈreɪdɑːn/ [uncountable] (symbol Rn) jump to other results a chemical element. Radon is a radioactive gas used in the treatment of diseases such as cancer. Word Originearly 20th cent.: from radium, on the pattern of argon.
随便看	non-proprietary non-refoulement non-refundable non-renewable non-resident non-resident_1 non-resident_2 non-residential non-restrictive non-returnable non-scientific non-sectarian nonsense nonsense word nonsensical non sequitur non-sequitur non-slip non-smoker non-smoking non-smoking_1 non-specific non-specific urethritis non-specific-urethritis non-standard

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