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单词 uranium 238
释义
Uranium 238
nnoun.substancethe commonest isotope of uranium; it is not fissionable but when irradiated with neutrons it produces fissionable plutonium 239
Hypernyms:U atomic number 92 uranium
Inherited Hypernyms:uranium 238uraniummetallic elementchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:uranium 238uraniummetallic elementchemical elementsubstancepartrelationabstractionentity
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更新时间:2024/9/20 9:35:52