这已经是五年来的第二场干旱了，而科学家们正在研究并试图弄清楚这些干旱为什么会发生，而它们又会对我们的星球产生怎样的影响。
It was the second such drought in the Amazon in five years, and forest scientists are trying to understand why these droughts are happening, and what their effects will be for the planet.
帕顿说，过去五年来，他们一直努力清洁这两座港口的空气。
Patton says in the last five years, there has been an effort to clean up the air within the two ports, and they are not the only ones.
这被周五公布的数字更显著的表明，在一月，近60万的美国人失去了工作，这是34年来的最大跌幅。
That was highlighted by figures released on Friday, which showed the loss of almost 600, 000 American jobs in January, the biggest drop in 34 years.
应用推荐