英语词汇“radon-222”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-222
释义	radon-222 radon-222 [′rā‚dän ‚tü′twen·tē‚tü] (nuclear physics) The isotope of radon having mass number 222, symbol ²²²Rn, which is a radioactive member of the uranium series with a half-life of 3.82 days.
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