rising limb of hydrograph

例句：

1. 1. The risinglimb of the tree is covered ingreen leaves.
   树的上升部分长满了绿叶。
2. 2.The rising limb of the river isvisible from here.
   从这儿可以看到河流上升的部分。
3. 3.The rising limb of the mountain isa popular hiking trail.
   这座山的上升部分是一条受欢迎的徒步旅行路线。