xylem transport

例句：

1. 1.The roots of the tree are responsible for carrying water and nutrients to the rest of the plant.
   树根负责将水和养分输送到植物的其他部分。
2. 2. During the growing season, the xylem transports sugars from the leaves to the rest of the plant.
   在生长季节，木质部将糖分从叶子输送到植物的其他部分。
3. 3.Xylem transport is essential for the growth and development of plants.
   木质部运输对植物的生长和发展至关重要。