noun🔗Share外骨骼，甲壳。 A hard outer structure that provides both structure and protection to creatures such as insects and Crustacea."The crab's exoskeleton protects it from predators. "这只螃蟹的甲壳保护它免受捕食者的侵害。animalbiologyorganismstructureinsectanatomyChat with AIVocabulary GamePractice Reading
