A tornado is a funnel-shaped strong wind. 龙卷风是漏斗状强风。

　　It never stops whirling and keeps sucking up dust, houses, cars, trees and everything. 它不断旋转着并吸进灰尘、房子、汽车、树木以及所有的东西。

　　It can pull up things into the air and make them fly. 它能把东西拽到空中并让它飞起来。

　　Also, it moves very fast at speeds up to 483 kilometers per hour. 而且，它的移动速度非常之快——时速高达483千米。

　　It is one of the strongest kinds of storms. 它是最强的风暴之一。

　　There are more than 800 tornados in the United States each year. 美国每年会刮800多个龙卷风。