acclivities

n.an upward slope or grade (as in a road)

同义词：ascentriseraiseclimbupgrade

1. The hikers struggled to climb the steep acclivities of the mountain.
   徒步旅行者在攀登山的陡坡时感到吃力。
2. The road was lined with trees as it wound up the acclivities of the hill.
   道路两旁种满了树木，蜿蜒而上，沿着山坡向上延伸。