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 don't want to.
我不想见。
Did you use to go fishing with friends?
过去你常和朋友钓鱼吗？
That's right.
不，是我。