Read Edit View history 脯氨酸 pú'ānsuān proline Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 脯氨酸 · pú'ānsuān · proline 2026/03/04 脯氨酸 pú'ānsuān proline proline (Pro), an amino acid 这种蛋白质中含有大量的脯氨酸。 noun created sense Mar 4, 2026, 02:25 AM