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
Doesn't it look just right on Susan? Susan
戴起来正好， 不是吗?
I appreciate your invitation.
感谢你的邀请。
She picked it up and gave it back to me.
她把它捡起给了我。