Rectal sphincter
[医] 直肠括约肌, 希尔特耳氏括约肌
🧩 词语组成解析
a. 直肠的\\n[医] 直肠的
n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
Uh-hum.
嗯哼。
Govern your thoughts when alone, and your tongue when in company.
一人独处慎于思，与人相处慎于言。
Which one is cheap? Which one is dear?
哪一支便宜？哪一支贵？