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
We've only been here for a day,
我们到这里仅仅一天，
A cracked bell can never sound well (is never sound).
破钟无好音。
I did not enjoy it.
但我却无法欣赏。