weathern.天气；气象；境遇vt.使风化；经受住；使日晒雨淋vi.风化；褪色；经受风雨adj.上风的；天气预报的Weatherbird候鸟是美国研制的一种侦察机

1. There was something of a drier interlude before an active weather system moved in from the west.
   在活跃的天气系统从西部地区介入之前这里有一段较为干燥的时期。
2. The weather system of the pacific is determined by the uninterrupted smoothness of the ocean.
   太平洋的天气系统是由海洋表面是否平稳决定的。
3. The impacts of that tug-of-war on the climate system could be devilishly difficult to untangle.
   气候系统的这种拉锯战的冲击影响可能是极难理清解决的。
4. I concluded that something new to the natural workings of the climate system must have been operating during the past several thousand years.
   我的结论是，过去数千年间，对于气候系统的自然运作来说，某种前所未有的事件已经起了作用。