相关单词近义词 gastrointestinal tract 胃肠道, digestive tract 消化道, alimentary canal 消化道, alimentary tract 消化道临近词digestive, digestive syncytium, Digestive carcinoma, digestive mechanism, digestive apparatus, Digestive neoplasms, digestive symbiosis, digestive pathology, Digestive disorders, digestive glycosuria, digestive physiology 返回 digestive tube