maternal placenta是什么意思 maternal placenta怎么读
maternal placenta的用法和样例
- The placenta is the organ that unites the mother with the baby and provides air and food.
胎盘是连接母体和婴儿的器官，为婴儿提供氧气和食物。 - Parturition is defined as the physiologic process by which the pregnant uterus delivers the fetus and placenta from the maternal organism.
分娩的定义是妊娠子宫将胎儿和胎盘从母体排出的过程。
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