O'befirne's valves
[医] 奥贝恩氏瓣(直肠结肠襞,直肠括约肌)
🧩 词语组成解析
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
I'm a foreign student, and I'd like to make some new friends.
我是个外国学生， 我想交几个新朋友。
I knew it!
我就知道！
However, Susan has not really made up her mind yet.
然而，苏珊却还没有决定。