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
Especially with his teething.
特别是他现在开始长牙。
If they say you are good, ask yourself if it be ture.
若有人称赞你，要自问对不对。
The Smiths are my neighbors.
史密斯一家是我的邻居。