坡度缓和

例句：

1. 1. The slope of the hill is steep.
   这座山的坡度很陡。
2. 2. The slope of the road is too steep for cars to drive on.
   这条路的坡度太高，不适合汽车行驶。
3. 3. The slope of the land changes with the seasons.
   土地的坡度随着季节的变化而变化。