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单词 dioptase
释义

WordReference Random House Unabridged Dictionary of American English © 2024
di•op•tase  (dī optās),USA pronunciation n. 
  1. Mineralogya mineral, hydrous copper silicate, CuSiO3·H2O, occurring in emerald-green crystals.
  • French, equivalent. to di- di-3 + Greek optasía view
  • 1795–1805

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更新时间:2024/9/21 13:27:16