endosperm mother

例句：

1. 1.The endosperm mother is responsible for the growth of the embryo.
   胚乳母负责胚胎的生长。
2. 2.Endosperm mother plays a crucial role in plant reproduction.
   胚乳母在植物繁殖中起着至关重要的作用。
3. 3.The endosperm mother is the first stage of seed development.
   胚乳母是种子发育的第一个阶段。