excretory

形容词 excretory:

1. of or relating to the process of excretion

1. Lacking normal voluntary control of excretory functions.
   大小便失禁缺乏排泻功能的正常自动控制的
2. The excretory opening of the digestive tract in animals such as birds, reptiles, amphibians, and fish.
   肛门鸟、爬行动物、两栖动物以及鱼等动物的消化道的排泄口
3. Serving to carry waste out of the body; excretory.
   排泄的用来把废物带出体外的; 排泄的

ex.cre.to.ry

adj.（形容词）
Of, relating to, or used in excretion:
排泄的：属于、关于或用于排泄的：
例句：
excretory organs.
排泄器官