2 Old HSK word(s): ☊酸 ** A ☊硫酸 ** D
Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.
硫 sulfur
酸 tart, sour / acid / stiff / spoiled
Hsk Characters:
HSK -Characters and beyond:
13.21 Anorganische Chemie Säure + Acid + 酸 +