单词embryonic disk
un.: 胚盘网络: 细胞形成胚盘;胚胎盘;胚囊
胚盘
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。