Sphincter
n. 括约肌\\n[医] 括约肌
📖 牛津释义
sphincter
n
(fml 文) ring of muscle that surrounds an opening in the body and can contract to close it 括约肌
the anal sphincter 肛门括约肌.
🗣️ 情景例句
That'll cheer you up.
这样会让你舒畅些。
I took out my toys.
我拿出了我的玩具。
Built in 1885, it was the oldest car taking part.
该车造于1885年，是参赛车中最老的一辆。