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单词 braunite
释义

WordReference Random House Unabridged Dictionary of American English © 2024
braun•ite  (brounīt),USA pronunciation n. 
  1. Mineralogyan ore of manganese, 3Mn2O3·MnSiO3.
  • 1830–40; named after A. English. Braun (1809–56), German official; see -ite1

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