Read Edit View history 酚酞 fēntài phenolphthalein Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 酚酞 · fēntài · phenolphthalein 2026/03/04 酚酞 fēntài phenolphthalein phenolphthalein 酚酞在碱性溶液中会变成粉红色。 noun created sense Mar 4, 2026, 02:25 AM