megalecithal ovum

例句：

1. 1. The fertilized egg develops into a fetus inside the woman's womb.
   受精的卵子在女性子宫内发育成胎儿。
2. 2. In humans, the ovum is the female reproductive cell that contains the egg.
   在人类中，卵细胞是包含卵子的女性生殖细胞。
3. 3. The ovum is the first stage of human reproduction, and it is responsible for the development ofthe embryo.
   卵细胞是人类生殖的第一个阶段，负责胚胎的发展。