The great speed and force of tornado winds can pick up things as heavy as automobiles and hurl them hundreds of yards. (4) The updraft causes a very low air pressure within the funnel.

龙卷风的速度快，力量大，能卷起像汽车那样的重物，把它们抛到几百码以外。上升的气流，在龙卷风的漏斗中引起低气压。

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The hardest hit area is a 3)swath of the great plains from Texas to South Dakota, known as "Tornado 4)Alley."

受灾最严重的地区是从德克萨斯州到南达科他州之间的大平原带，该地区被称为“龙卷风走廊”。

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