indigested food.

• 未消化的食物

indigested food.的用法和样例：

例句

1. Undigested food is eliminated from the system through the anus.
   未消化的食物通过肛门排出系统外。
2. The crop, a small part in the digestive system that stores predigested food, was mostly free of Salmonella.
   储存在消化系统中未消化的一部分谷物，大部分没有沙门氏菌。