embryoid

例句：

1. 1. The embryo was formed from the fertilized egg.
   胚胎是从受精卵形成的。
2. 2. The embryo is the first stage of a developing organism.
   胚胎是生物发展的第一个阶段。
3. 3. The embryonic development of the fetus is crucial for survival.
   胎儿的胚胎发育对生存至关重要。