sphincter /'sfiŋktә/ 📖 中文释义 n. 括约肌[医] 括约肌 🔗 释义中的汉语词 括约肌 🧩 词形变化 原形 sphinct复数 sphincters 📘 English Definition(英文释义) n. a ring of muscle that contracts to close an opening ← sphery S 字母词表 sphincter ampullae →