这个词的来源可以追溯到古拉丁语，其中"fæx, fæcis"意为"残渣"或"垃圾"。这个词最终被继承到了英语中，并被用来描述人类或动物排出的粪便。
下面是一些例句，其中包含"feces"或"stool"的用法：
"The doctor recommended a change in diet to help with the patient's chronic constipation, as hard stools can be difficult to pass and may lead to other health problems." (医生建议患者改变饮食，以帮助慢性便秘。因为硬便便很难排出，可能会导致其他健康问题。)
"Many animals, including elephants and gorillas, use their feces as a form of communication, marking their territory and indicating their presence to other members of their species." (许多动物，包括大象和大猩猩，都会使用它们的粪便进行交流，标记自己的领地并向同类的其他成员表明自己的存在。)
"The feces of some animals, such as cows and sheep, can be used as fertilizer to improve soil quality and increase crop yields." (一些动物的粪便，如牛和绵羊，可以用作肥料，以改善土壤质量并提高作物产量。)
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最佳回答 2023-03-03