regular bowel movement 定期排便
bowel movement frequency 排便频率
lack of bowel movement 缺乏排便
A: Have you had a regular bowel movement today?
A：你今天排便规律吗？
B: Yes, everything seems to be normal.
B：是的，一切看起来都很正常。
1) 排便行为
2) 粪便的排出
3) 肠道蠕动引起的排泄过程
1. 排便；大便
noun phrase
1. The act of discharging feces from the body.
Synonym: defecation