The old, empty exoskeleton is called an exuvia. 脱去的旧的空的外骨骼被称为蜕。
The exoskeleton of insects is largely made of protein and chitin. 昆虫的外骨骼大部分是由蛋白质和几丁质组成的.
exoskeleton英英释义
Noun:
the exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs
