trona
'trәunә
基本解释
n. 天然碱
[化] 天然碱
英文释义
n. A native double salt, consisting of a combination of neutral
and acid sodium carbonate, Na2CO3.2HNaCO3.2H2O, occurring as a white
crystalline fibrous deposit from certain soda brine springs and lakes;
-- called also urao, and by the ancients nitrum.
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