氣溫上升的影響，比如砍伐森林，結合在一起，對水循環的影響不但巨大，而且

氣溫上升的影響，比如砍伐森林，結合在一起，對水循環的影響不但巨大，而且難以預測。這意味著乾旱和洪澇災情比以往更嚴重。

結果 (英文) 1:

Effects of warming, such as deforestation, together, the impact on the water cycle is not only huge, but also difficult to predict. This means that the drought and flood disaster is more serious than ever.

結果 (英文) 2:

The combined effects of rising temperatures, such as deforestation, on the water cycle are not only huge, but also unpredictable. This means that droughts and floods are worse than ever.

結果 (英文) 3:

The combined effects of rising temperatures, such as deforestation, on the water cycle are not only huge, but also unpredictable, meaning that droughts and floods are more severe than ever.