Read Edit View history 丙醛 bǐngquán propanal Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 丙醛 · bǐngquán · propanal 2026/03/04 丙醛 bǐngquán propanal a three-carbon aldehyde, also known as propionaldehyde, with the chemical formula CH3CH2CHO 丙醛是生产塑料和合成树脂的重要原料。 noun created sense Mar 4, 2026, 02:25 AM