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humic acid
释义
WordReference Random House Unabridged Dictionary of American English © 2024
hu
′
mic ac
′
id,
Chemistry
a brown, melanin-tinted mixture of polymers, found in lignite, peat, and soils, where it acts as a cation exchange agent: used in drilling fluids and inks.
1835–45
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spirantise
spirantization
spirantize
spire
spirea
spired
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spirelet
spireme
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更新时间:2026/6/22 17:27:04