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单词 trona
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tro•na  (trōnə),USA pronunciation n. 
  1. Mineralogya monoclinic mineral, grayish or yellowish hydrous sodium carbonate and bicarbonate, Na2CO3·NaHCO3·2H2, occurring in dried or partly evaporated lake basins.
  • dialect, dialectal Arabic ṭrōn, aphetic variant of naṭrūn natron
  • Spanish
  • 1790–1800

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