柯林斯词典afterbirth /ˈɑːftəˌbɜːθ/ 1. 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 返回 afterbirth剑桥词典the material , including the placenta , that is pushed out of a woman's or female animal's body soon after she has given birth 胞衣；胎盘及羊膜 返回 afterbirth