Cavum protovertebrae
[医] 原椎腔
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
I'm glad to help.
我很乐意帮忙。
Same to you!
也祝你快乐！
Recently it was damaged by a visitor.
可它最近被一个客人弄坏了，