podura

例句：

1. 1. The plant grows in a cylindrical shape with a thick stem and a bulbous root at the base.
   这种植物生长在一个圆柱形的形态中，有一个粗壮的茎和一个在底部的块状根。
2. 2.The bulbous root is used to store food for the plant during times of scarcity.
   块状根被用来储存食物，以备在食物短缺时使用。
3. 3. The plant's ability to grow in this way is due to its unique ability to produce bulbous roots.
   这种植物能够以这种方式生长，是因为它拥有产生块状根的独特能力。