Kansas vehicle license plate impaled on a tree after an EF5 tornado struck Greensburg, Kansas. Flying debris is the main cause of injuries and deaths in tornadoes.

一场EF 5级龙卷风袭击堪萨斯格林斯堡，将一辆堪萨斯州汽车的牌照钉进了树里。飞扬的瓦砾残片是龙卷风中致伤或致死的主要原因。

youdao

The combination of high winds, flying debris, and loud noise of the tornado would have made this photographer very uncomfortable.

大风、飞扬的瓦砾碎片和龙卷风的巨响交织在一起，使这位摄影师感到很不舒服。

youdao

These eddies can tighten into a tornado-like structure that sucks in burning debris and combustible gases, RMRC's Forthofer explained.

这些漩涡能收紧成为像龙卷风那样的结构吸入正在燃烧的残骸和可燃烧气体，福托菲尔解释道。

youdao

And Barrett Jones lugged a chainsaw around Tuscaloosa to remove tornado debris from homes and yards.

WHITEHOUSE: President Obama Welcomes BCS Champion University of Alabama Crimson Tide | The White House

The tornado left behind enough debris to fill the University of Alabama's football stadium five times, Mayor Walt Maddox said.

CNN: Tornado survivors rebuild, a year later

If a funnel cloud touches the ground it is generally regarded as a tornado and could lift debris and even cause some minor damage on the ground - depending on the strength of convection within the cloud.

BBC: Funnel clouds, twisters, tornados: What are they?