gradual slope

例句：

1. 1. The road has a gradual slope that makes it easy to walk.
   这条路有逐渐倾斜的坡度，走起来很轻松。
2. 2. The mountain is covered with a gradual slope of snow.
   山被一层层的雪覆盖着，呈现出逐渐倾斜的坡度。
3. 3.The engineer measured the gradual slope of the slope and calculated the necessary adjustments.
   工程师测量了斜坡的逐渐倾斜程度，并计算了必要的调整。