Two powerful tornadoes tore through towns near Nashville, Tennessee on Wednesday.

星期三，两股强大的龙卷风在田纳西州首府纳什维尔市附近的城镇肆虐。

Funnel clouds become tornadoes once they touch the ground.

漏斗云一旦接触到地面就会变成龙卷风。

272 tornadoes swept the nation in the first half of this month – already breaking the all-time twister-count for April.

272例龙卷风在本月初席卷全国——已经打破了四月份的龙卷风案例。

How many tornadoes have there been?

已经出现了几次龙卷风？

The Weather Channel reported 43 tornadoes.

天气频道报道了43个龙卷风。

We're used to tornadoes here in Tuscaloosa.

在塔斯卡卢萨，我们已经习惯了龙卷风。