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
Goodbye, come again soon.
再见，下次再来。
He is playing on the merry-go-round in the park.
他正在公园里骑旋木马。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。