napiform root

例句：

1. 1. The roots of the plant are deeply buried in the soil.
   植物的根深深地埋藏在土壤中。
2. 2. The apical bud is the growth center of the plant.
   顶端芽是植物生长的中心。
3. 3. The apex of the flower is where the pollen is released.
   花的顶端是花粉释放的地方。