英语翻译The increased frequency and strenghth of hurricanes is w

英语翻译
The increased frequency and strenghth of hurricanes is what we shall have to learn to expect given global warming.
请分析一下句子结构并翻译.
given global warming做的是什么成分？修饰什么呢？

鉴于全球变暖现象,我们不得不学着接受不断上升的飓风发生频率和强度.
全句分成三大部分..
The increased frequency and strenghth of hurricanes(不断上升的飓风发生频率和强度) is what we shall have to learn to expect(是我们我们不得不预期的)given global warming(鉴于全球变暖的发生).
化简来就是
the frequency and strenghth is what we shall expect.
我们应预料到.