long descenders

例句：

1. 1.The plant has long descenders that helpit grow taller.
   这种植物有长叶柄，有助于它长得更高。
2. 2. Long descenders are important for the plant'sgrowth and development.
   长叶柄对于植物的生长和发育非常重要。
3. 3. The scientist observed the plant's long descenders and noted theirunique shape.
   科学家观察了这种植物的长叶柄，并注意到它们独特的形状。