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
Forgive my ignorance, But what exactly are you talking about?
请原谅我的孤陋寡闻，你说的到底是什么？
Remember me to your mother-in-law please.
请替我问候你的岳母。
She must be at least thirty-five years old.
她至少也有35岁了。