- 1. The inner cells form a flattened circular shape called the embryonic disk, which will develop into a baby.
- 内层细胞形成扁圆形的胚胎盘,拍胎盘将会发育成胎儿。
youdao
- 2. The inner cells form a flattened circular shape called the embryonic disk, which will develop into a baby.
- 内层细胞形成扁圆形的胚胎盘,拍胎盘将会发育成胎儿。
youdao