1.【动】(蛇等的)蜕皮,(甲壳类的)脱壳;换羽
1.the regular molting of an outer layer by arthropods such as insects and crustaceans, and by reptiles
1.The reason of snake's ecdysis is its skin too tightens and it feels uncomfortably.
蛇蜕皮是因为它的皮肤太紧而感到不舒服。