O'beirne's sphincter
[医] 奥贝恩氏括约肌(在结肠直肠连接部)
🧩 词语组成解析
n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
Certainly.
当然可以。
It's my treat this time.
这次我请客！
'What are you doing?' she asked.
“你在干什么？”她问道。