Read Edit View history 瞬膜 shùnmó nictitating membrane Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 瞬膜 · shùnmó · nictitating membrane 2026/03/04 瞬膜 shùnmó nictitating membrane nictitating membrane (zoology) 许多鸟类在飞行时会闭上瞬膜以保护眼睛。 noun created sense Mar 4, 2026, 02:25 AM