常見例句A ring of muscle, the cardiac sphincter, surrounds the esophagus at this point.此處有一肌肉環(huán)即賁門括約肌圍繞著食道。Some surgeries and drugs could lead to the sphincter of Oddi dysfunction.某些外科手術或藥物會引起奧狄氏括約肌機能障礙。 返回 sphincter muscles