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
Good morning.
早安。
How many of these are you going to buy her?
你要买多少给她？
Fine, thank you, Li Lei. How are you?
我很好，谢谢。你呢？