英语词汇“radon-220”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-220
释义	radon-220 radon-220 [′rā‚dän ‚tü′twen·tē] (nuclear physics) The isotope of radon having mass number 220, symbol ²²⁰Rn, which is a radioactive member of the thorium series with a half-life of 56 seconds.
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