n.[動]外骨骼；皮骨骼
The old, empty exoskeleton is called an exuvia. 脫去的舊的空的外骨骼被稱為蛻。
The exoskeleton of insects is largely made of protein and chitin. 昆蟲的外骨骼大部分是由蛋白質(zhì)和幾丁質(zhì)組成的.
