Four of the seven Central American countries are among the 20 reckoned to be the most vulnerable in the world to destructive weather.
在世界推测为最易受破坏性天气袭击的20个国家之中，七个中美洲国家中有四个名列其中。
2
A northern or Central Line would face severe winter weather. And it would have to cross a wild area called Nebraska.
北方或中部那两条铁路线在冬天面临恶劣的天气，而且这两条路将通过一个叫内布拉斯加的荒野。
3
The culprit behind these unusual weather patterns is a persistent high pressure system that is steering storms away from the south central United States.