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单词 berkelium
释义
Berkelium
nnoun.substancea radioactive transuranic element; discovered by bombarding americium with helium
Synset:Bk atomic number 97
Hypernyms:metal metallic element
Inherited Hypernyms:berkeliummetallic elementchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:berkeliummetallic elementchemical elementsubstancepartrelationabstractionentity
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更新时间:2024/9/21 18:46:38