《英汉医学词典》hypersecretion sign of digestive tract 消化道分泌功能亢进征象 digestive tract: 消化道; 消化管; 消化系统abnormal digestive tract function: 异常消化道功能bleeding of the upper digestive tract: 上消化道出血congenital anomaly of digestive tract: 消化道先天畸形digestive tract isolation: 消化道隔离下载手机词典可随时随地查词查翻译