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
was supposed to be made into a community center
原计划改成一个社区交谊中心
After graduation, Mr. Jones immediately became a member of the United Nations Relief and Rehabilitation Administration.
毕业后琼斯先生就加入了联合国救济善后总署。
From time to time, I notice that he puts a piece of meat down his trousers just before he leaves the factory.
我经常看到，他在快要离厂前把一块肉藏在裤子里。