defecation
n. 排便;澄清,净化
例句
The drug's side effects can include involuntary defecation.
此药物的副作用可能包括无意识的排便。
《柯林斯英汉双解大词典》
In a squatting posture, the bend straightens out, like a kink ringed out of a garden hose, and defecation becomes easier.
而蹲的姿势,弯曲理顺,就像抛开一条环绕扭结花园软管,也使排便变得更加容易。
Hands should be washed immediately after defecation, after handling babies' faeces, before preparing food and before eating.
便溺后、处理婴儿排泄物后、做饭前和吃饭前应立即洗手。