N the placenta and fetal membranes expelled from the uterus after the birth of the offspring 胎衣; 分娩以后从子宫脱落的胎盘及胎膜
The baby bunny was born 1 day before and had some fur, grass, and afterbirth stuck to it!
兔子是一天前出生的，但是他被毛、草、胎衣粘住了！
Retention of the afterbirth of the cow is the comm on disease to seriously affect the economy mileage.
文摘：奶牛的胎衣不下，是严重影响奶牛经济效益的常见病。
The last stage of the birth process involves the delivery of the placenta, which is now called the afterbirth.
分娩的最后一个阶段是胎盘的出来。
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