anatomical system 解剖系统 digestive system 消化系统(digestive system) Anatomical system that has as its parts the organs devoted to the ingestion, digestion, and assimilation of food and the discharge of residual wastes. alimentary system alimentary tract gastrointestinal system gut 有用于摄入、消化和吸收食物和排出残余废物的器官部分的解剖系统。 消化系统(alimentary system) 消化道 肠 胃肠系统