Cavum oris proprium
[医] 固有口腔
🧩 词语组成解析
n. 空腔(如耳腔)
[医] 口的
自我统一体
🗣️ 情景例句
Which subject were you best interested in?
你对哪一科最有兴趣？
There is no medicine against death.
人间哪有不死（回春）药。
sometimes as much as twelve feet in length.
有时长达12英尺。