excretory system 排泄系统
excrete waste 排出废物
metabolic waste 代谢废物
A: What is the function of the kidneys?
A:肾脏的功能是什么?
B: It excretes waste products from the body.
B:它从体内排出代谢废物。
1) 排泄,分泌
2) 排出废物
3) 生物学上的代谢排出
1. 排泄,分泌
verb
1. To separate and eliminate waste matter from the body.
Synonym: expel, discharge, eliminate