英语词汇“protactinium”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	protactinium
释义	Protactinium nnoun.substancea short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead Synset:Pa atomic number 91 protoactinium Hypernyms:metal metallic element Inherited Hypernyms:protactiniummetallic elementchemical elementsubstancematterphysical entityentity Inherited Hypernyms:protactiniummetallic elementchemical elementsubstancepartrelationabstractionentity
随便看	left hander lefthander left hemisphere leftish leftism leftist left-luggage office leftmost left-of-center left over leftover leftovers left-slanting left stage left ventricle left-wing left wing left-winger lefty leg legacy legal legal action legal age legal assistant

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