英语词汇“actinium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	actinium
释义	actinium n. Chem. a radioactive metallic element of the actinide series, occurring naturally in pitchblende. Usage Symb.: Ac.
随便看	defeasance defeasible defeat defeatism defecate defect defection defective defence defend defendant defenestration defense defensible defensive defer deference deferential defiance defiant defibrillation deficiency deficient deficit defier

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