| 释义 | after birth 基本英英Thesaurus
 胞衣
 
 名词 afterbirth:
 the placenta and fetal membranes that are expelled from the uterus after the baby is bornas in.bag of waters
 同义词 amnion,arachnoid membrane,placenta,water bag
 bag of watersnoun amniotic sac
 afterbirths,amnions,arachnoid membranes,placentas,water bags
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