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单词 radiothorium
释义
Radiothorium
nnoun.substanceradioactive isotope of thorium with mass number 228
Synset:thorium-228
Hypernyms:Th atomic number 90 thorium
Inherited Hypernyms:thorium-228thoriummetallic elementchemical elementsubstancematterphysical entityentity
Inherited Hypernyms:thorium-228thoriummetallic elementchemical elementsubstancepartrelationabstractionentity
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更新时间:2024/11/11 1:08:16