CNN news 2010-10-28 加文本

cut off切〔隔〕断, 阻碍

例句：Our troops cut off the enemy's retreat.
      我们的军队切断了敌人的退路。

2.And that could be equal to a small tornado.

be equal to与…相等,等于…;胜任…

例句：The heat produced is equal to the electrical energy wasted.
      产生的热量等于浪费了的电能。

3.In terms of challenges that lie ahead, is the fact that there will be more Cholera outbreak here in this country.

in terms of就…而言, 从…方面说来

例句：He referred to your work in terms of high praise.
       他对你的工作大加赞扬。

       He thought of everything in terms of money.
       他是从钱的角度来看每一件事。