膈上发现部分贲门.A portion of the cardia is demonstrated above the diaphragm.此处有一肌肉环即贲门括约肌围绕着食道.A ring of muscle, the cardiac sphincter, surrounds the esophagus at this point.方法238例贲门失弛缓症患者.Methods : The study cohort comprised 2...
Mr Lin is associate director of the Institute.林先生是研究所的副所长。He had his sister playing the mandolin [ 9 mAndE 5 lin as accompaniment.他让他妹妹奏曼陀林作伴奏Mr. Ma Lin will have retired from the national football team by the end of thi...