vi.排便

原形：defecate第三人称单数：defecates过去式：defecated过去分词：defecated现在分词：defecating

He went to the bathroom to defecate.
他去洗手间排便。
The bird perched on a branch, about to defecate.
那只鸟站在树枝上准备排泄。
After a long walk, he felt the need to defecate urgently.
走了很长一段路后，他感到急需排便。
The cow was in the stall, calmly defecating.
母牛在畜栏里安静地排便。
Some animals have the ability to hold their feces for extended periods.
有些动物有能力长时间憋便。
The doctor recommended a diet change to help alleviate her constipation, which made defecation easier.
医生建议改变饮食以缓解她的便秘，使排便变得更容易。
It's important to maintain proper hygiene when defecating, especially in public places.
排便时保持卫生很重要，尤其是在公共场所。
The baby was learning to control his muscles, so he could start to defecate on command.
婴儿正在学习控制肌肉，以便能按命令排便。
The patient's bowel movements were normal after taking the prescribed medicine; they no longer experienced difficulty in defecating.
病人服用药物后，排便恢复正常，不再有排便困难。
The plumber had to unclog the toilet because it was blocked due to someone's improper defecation habits.
水管工必须疏通马桶，因为有人的不良排便习惯导致堵塞。