Read Edit View history 括约肌 kuòyuējī sphincter Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 括约肌/括約肌 · kuòyuējī · sphincter 2026/03/04 括约肌 / 括約肌 kuòyuējī sphincter sphincter 括约肌控制着人体内某些管道的开合。 noun created sense Mar 4, 2026, 02:25 AM