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 need to get out more.
我需要多出门去。
Oh,I just remembered something!I have to apply for a passport.
哦,我就记得了一些东西!我要申请一本护照。
so that the rabbit population was unlikely to be completely exterminated.
所以兔子不可能被完全消灭。