He says, These soil changes can potentially contribute to even higher temperatures.

他表示，土壤的这些变化很可能会导致气候变暖加剧。

He descended from the town level by a steep road in a north-westerly direction, and continued to move downwards till the soil changed from its white dryness to a tough brown clay.

他沿着西北方向的一条陡峭道路从镇上下来， 继续向下移动， 直到土壤从白色干燥变成坚硬的棕色粘土。