slope potentiometer

例句：

1. 1.The slope of the hill is steep, making it difficult for people to climb.
   这座山的坡度很陡，人们很难爬上去。
2. 2. The slope of the road is too steep, so we need to use a wheelchair.
   这条路的坡度太陡了，所以我们需要使用轮椅。
3. 3.The slope of the roof is too steep, which makes it difficult for us to reach the top.
   屋顶的坡度太陡了，这使得我们很难到达顶部。