英语词汇“radioactinium”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	radioactinium
释义	Definition of radioactinium in English: radioactinium noun historical An isotope of thorium (thorium-227) which is produced by beta decay of actinium and itself decays by alpha emission with a half-life of 18.7 days. Origin Early 20th century. Definition of radioactinium in US English: radioactinium noun historical An isotope of thorium (thorium-227) which is produced by beta decay of actinium and itself decays by alpha emission with a half-life of 18.7 days. Origin Early 20th century.
随便看	Datong dats dattock Datuk datum datum level datum line datura daturas daturia daturine daub daube daubed Daubenton's bat dauber dauber daubers daubes daubigny, charles fran... daubigny, charles fran daubigny, charles francois Daubigny, Charles François daubing daubings

　

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更新时间：2025/11/4 21:46:55