endosperm or cotyledons of the seed

例句：

1. 1. The endospermis where the seeds develop and grow.
   胚乳是种子发育和生长的地方。
2. 2. Theendosperm provides nutrients for thedeveloping embryo.
   胚乳为胚胎的发育提供养分。
3. 3. The endosperm isa crucial part of the seed that storesenergy.
   胚乳是种子中储存能量的关键部分。