英语词汇“atomic number 61”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	atomic number 61
释义	Atomic Number 61 nnoun.substancea soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uranium Synset:Pm promethium Hypernyms:metal metallic element Inherited Hypernyms:promethiummetallic elementchemical elementsubstancematterphysical entityentity Inherited Hypernyms:promethiummetallic elementchemical elementsubstancepartrelationabstractionentity
随便看	rhythmic pattern rhythm method rhythm method of birth control rhythm section rhytidectomy rhytidoplasty ri r.i. rial riant riata rib ribald ribaldry riband ribavirin ribband ribbed ribbed toad ribbed vault ribbing ribbon ribbon development ribbon fern ribbonfish

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