Cavum douglasi
[医] 直肠子宫陷凹
🧩 词语组成解析
n. 空腔(如耳腔)
🗣️ 情景例句
I would like to apply for a loan.
我想贷款。
All right.
行。
but it was impossible to stop the thieves.
但他已无法抓住那些窃贼了。