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 don't drink, but today is an exception.
我是不喝酒的，但今天例外。
What are you doing?
你在干什么？
The boat is not safe, said Ah Fang. Let's pull it out of the water.
“这船不安全，”阿芳说，“让我们把它从水里拉出来吧。”