Sphincter muscle
括约肌
🧩 词语组成解析
n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
He's a real workaholic.
他是个真正的工作狂。
She spends much of her leisure times watching TV.
她花很多空闲时间看电视。
It was obvious that he was very embarrassed.
显然他感到很尴尬。