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单词 platinum black
释义
Platinum Black
nnoun.substancea fine black powder of platinum; used as a catalyst in chemical reactions
Hypernyms:accelerator catalyst
Inherited Hypernyms:platinum blackcatalystactivatorsubstancematterphysical entityentity
Inherited Hypernyms:platinum blackcatalystactivatorsubstancepartrelationabstractionentity
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更新时间:2024/12/23 23:55:07