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

There's nothing's as troublesome as a naughty clild.
没有东西比淘气的孩子更麻烦了。
Yes,I am.
是的,我是。
I hope no questions about the terms.
我看合同的条款没有什么问题了。
更多情景英语 ›

🔤 更多 S 开头的单词

全部 S 开头单词 ›