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
I'm worried, Philip.
我很担心， Philip。
I'm glad I'm not in his shoes!
我很高兴我不是处在他的境遇。
Oh ,dear! she said.
“天哪！”她说。