gastrula invagination

例句：

1. 1. The embryonic development of the gastrula is crucial for the growth and survival of the organism.
   囊胚的发展对生物体的生长和存活至关重要。
2. 2.During this stage, the gastrula undergoes a series of transformations that eventually lead to the formation of the adult organism.
   在这一阶段，囊胚经历一系列的变化，最终形成成年生物体。
3. 3. The gastrula invagination is a unique feature of early development that has been studied extensively by scientists.
   囊胚内陷是早期发育的一个独特特征，科学家们对此进行了广泛的研究。