Anal sphincter
肛门括约肌
🧩 词语组成解析
anal
['einəl]
adj. 肛门的;直肠的;肛门附近的;
n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
and lay them face down.
将牌盖住。
To hover
盘旋
Was that the 21st?
21号吗？