Read Edit View history 乙醛 yǐquán acetaldehyde Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 乙醛 · yǐquán · acetaldehyde 2026/03/04 乙醛 yǐquán acetaldehyde acetaldehyde (H3CCHO), also known as ethanal, a colorless volatile liquid used as a chemical intermediate 乙醛是生产醋酸的重要工业原料。 noun created sense Mar 4, 2026, 02:25 AM