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单词 neptunium
释义
Neptunium
nnoun.substancea radioactive transuranic metallic element; found in trace amounts in uranium ores; a by-product of the production of plutonium
Synset:Np atomic number 93
Hypernyms:metal metallic element
Inherited Hypernyms:neptuniummetallic elementchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:neptuniummetallic elementchemical elementsubstancepartrelationabstractionentity
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更新时间:2025/2/23 14:31:56