Endoskeleton
n. 内骨骼\\n[医] 内骨胳
🗣️ 情景例句
you'll help me select some of the great places.
能帮我挑一些好地方。
Yes,you are.
是的，你是。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。