trophic egg

例句：

1. 1. The trophic egg of the caterpillar is filled with nutrients that will be used during the caterpillar's development.
   毛毛虫的营养卵中充满了在毛毛虫发育过程中会使用到的营养物质。
2. 2. The trophic egg of a bird lays eggs that are filled with nutrients for its offspring.
   鸟类的营养卵中充满了对后代有益的营养物质。
3. 3. The trophic egg of a fish contains nutrients that will be absorbed by the fish's larvae.
   鱼类的营养卵中包含了会被鱼幼体吸收的营养物质。