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
He couldn't teach such dull children.
他教不了这么笨的孩子。
Moving away
正在移开
I certainly will.
一定的。