afterbirth
柯林斯词典
1. N the placenta and fetal membranes expelled from the uterus after the birth of the offspring 胎衣; 分娩以後從子宮脫落的胎磐及胎膜
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1. N the placenta and fetal membranes expelled from the uterus after the birth of the offspring 胎衣; 分娩以後從子宮脫落的胎磐及胎膜