英语词汇“θ68903”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	θ68903
释义	the world > matter > chemistry > elements and compounds > metals > specific elements > berkelium > [noun] (2) berkelium1950 A metallic radioactive transuranic element, atomic number 97, produced artificially. Symbol Bk. Bk1950 The element berkelium.
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