英语词汇“thorium series”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	thorium series
释义	WordReference Random House Unabridged Dictionary of American English © 2024 tho′rium se′ries, [Chem.] Chemistrythe radioactive series that starts with thorium and ends with a stable isotope of lead of mass number 208. Collins Concise English Dictionary © HarperCollins Publishers:: thorium series n a radioactive series that starts with thorium-232 and ends with lead-208
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