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
What was that about?
说些什么？
Old oxen have stiff horns.
牛老角硬。
I was so excited that I wanted to tell the whole world what we had found.
我激动得想要告诉全世界我们发现了什么。