allantoic placenta

例句：

1. 1. The allantoic placenta is the organ that connects the mother's womb to the fetusduring pregnancy.
   卵黄胎盘是连接母亲子宫和胎儿在怀孕期间的器官。
2. 2.During labor, the allantoic placenta can be a source of discomfort for both mother and baby.
   分娩期间，卵黄胎盘可能会给妈妈和宝宝带来不适。
3. 3. Allantoic placenta is an important part of human reproduction, providing nutrients to the developing fetus.
   卵黄胎盘是人类生殖的重要组成部分，为发育中的胎儿提供营养。