gamocyst

例句：

1. 1. The development of the embryo is crucial for the growth of the fetus.
   胚胎的发展对胎儿的成长至关重要。
2. 2. The study of genetics has led to the discovery of new drugs for treating cancer.
   遗传学的研究已经发现了治疗癌症的新药物。
3. 3. The embryonic stem cells are being used to develop new treatments for diseases.
   胚胎干细胞正在被用来开发新的疾病治疗方法。