名詞 excretion:

1. the bodily process of discharging waste matter
   同義詞：elimination, evacuation, excreting, voiding
2. waste matter (as urine or sweat but especially feces) discharged from the body
   同義詞：body waste, excreta, excrement, excretory product

ex.cre.tion

n.（名詞）
The act or process of discharging waste matter from the blood, tissues, or organs.
排泄：從血液、組織或器官中分離廢物的動作或過程
The matter, such as urine or sweat, that is so excreted.
廢物：尿或汗等由機體排出的廢物