如何使用 "gastrula" 造句

1. Archenterons : the central cavity of the gastrula , which ultimately becomes the intestinal or digestive cavity .
原肠:原肠胚的中心空腔,它最终成为肠腔或消化腔。
2. The process in which a gastrula develops from a blastula by the inward migration of cells .
由于细胞向内移动囊胚形成胚囊或肠胚的过程。