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单词 fluorspar
释义
Fluorspar
nnoun.substancea soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine
Synset:fluor fluorite
Hypernyms:mineral
Inherited Hypernyms:fluoritemineralmaterialsubstancematterphysical entityentity
Inherited Hypernyms:fluoritemineralmaterialsubstancepartrelationabstractionentity
Substance Meronyms:Ca atomic number 20 calcium F atomic number 9 fluorine
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更新时间:2024/9/20 6:26:35