胚盘

例句：

1. 1. The embryonic stage is the early development of a new organism.
   胚胎阶段是新生物的早期发展。
2. 2. The study of embryology helps us understand how animals develop.
   胚胎学的研究帮助我们理解动物是如何发展的。
3. 3. In the early stages of pregnancy, the embryo grows inside the uterus.
   在怀孕的早期阶段，胚胎在子宫内生长。