同根派生 英汉例句A ring of muscle, the cardiac sphincter, surrounds the esophagus at this point.此処有一肌肉環即賁門括約肌圍繞著食道。Some surgeries and drugs could lead to the sphincter of Oddi dysfunction.某些外科手術或葯物會引起奧狄氏括約肌機能障礙。