VOA慢速英语:Mosquito-Borne Viruses Spread Across the World

短语讲解：

1. That describes people suffering from this disease.

suffer from 患（某种病），受（某种病痛）折磨
例句：I often suffer from unaccountable headaches.
我常莫名其妙地头疼。

2. When this virus infects a community, it has the ability to shut it down.

shoot down 击落; 朝下射击
例句：He was able to shoot down a flying bird with the bow and arrow.
他张弓搭箭能射落空中的飞鸟。

3. That can lead to long-term disability.

lead to 导致
例句：He speculated that this might lead to a success.
他推测这可能会导致成功。

4. The Centers for Disease Control and Prevention estimates as many as 400 million people are infected with dengue each year.

as many as 和…一样多; 不下于
例句：They drew as many as four times that year.
他们那一年四次打成平局。