Read Edit View history 乙酸 yǐsuān acetic acid Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 乙酸 · yǐsuān · acetic acid 2026/03/04 乙酸 yǐsuān acetic acid acetic acid (CH3COOH) or ethanoic acid 乙酸是醋的主要成分，具有强烈的刺激性气味。 noun created sense Mar 4, 2026, 02:25 AM