大便的英文：
defecate
excrement
feces
crap

参考例句：
  • Is there any blood or mucus in your stool?
    你的大便里有血或粘液吗？
  • Diarrhea may occur around the impaction and often with fecal incontinence
    在粪块嵌塞期间可发生腹泻，并常有大便失禁。
  • His bowel movements are grey /black in colour.
    他的大便呈灰白色。
  • The boy was straining at stool
    那个男孩在用力大便。
  • My stool is watery.
    我的大便很稀。
  • Please go and take a stool test.
    请去化验一下大便。
  • Are your bowels acting properly?
    你大便正常吗?
  • To cause(the bowels) to evacuate.
    通大便使(肠)排泄
  • It all comes down to poop.
    这实质上指的是大便。
  • It is of great importance to relax the bowels every day.
    每天使大便通畅是非常重要的。
defecate是什么意思：
v. 澄清滤净，澄清，排便
  • A person who defecates in a public place is poopetrator.
    “poopetrator”指的就是在公共场所拉屎的人。
  • The birds get the nutritional benefits and the plants get their seedsdispersed when the birds defecate.
    鸟类吃浆果获得营养，而植物通过鸟类的排便使种子得以传播。
  • There is no way for them to ride roughshod and defecate over our heads.
    他们要骑在我们头上拉屎拉尿,办不到！
excrement是什么意思：
n. 排泄物；粪便
  • The pavement was covered in dogs' excrement.
    便道上满是狗屎。
  • Feces (or excrement or stools)： Solid bodily waste discharged from the colon through the anus during defecation.
    粪便:身体的固状排泄物，在排粪时由大肠经肛门排出。
  • Three formula of seedling media with different proportion of wheat straw, soil and dry cattle excrement( three in one) were used to raise of cucumber plug seedlings, which all could produce tight plug-seedlings.
    将麦秸、和牛粪以不同比例配成三合一基质,进行黄瓜穴盘育苗,均能形成紧实的塞子苗,其中以6∶∶(秸∶∶粪)例配成的基质最适合黄瓜幼苗生长,并且形成的塞子容重小,育苗程序简便、本低廉,适宜于在广大地区推广应用。
feces是什么意思：
n. 排泄物，渣滓
  • The remainder is eliminated in the feces.
    残留物由粪便中排出。
  • Poultry house cleaning equipment and vehicles usually have accumulations of litter and feces
    鸡舍的清洁设备和运输工具通常都会有垫料和粪便的积垢。
  • Difficult, incomplete, or infrequent evacuation of dry, hardened feces from the bowels.
    便秘有困难的、不完全的或不经常从肠道排泄干燥且硬的大便

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