请区别tornado,hurriance,typhoon,用英语,有翻译最好

请区别tornado,hurriance,typhoon,用英语,有翻译最好

Tornado
A rotating column of air usually accompanied by a funnel-shaped downward extension of a cumulonimbus cloud and having a vortex several hundred yards in diameter whirling destructively at speeds of up to 500 miles (800 kilometers) per hour.
龙卷风，陆龙卷：一种纵向的气旋，伴随有倒漏斗形的积雨云，涡流直径达几百码，以每小时五百英里（八百公里）的速度移动，其旋转具有极大的毁坏性

Typhoon
A tropical cyclone occurring in the western Pacific or Indian oceans.
台风：发生在西太平洋或印度洋的热带暴风

A severe tropical cyclone originating in the equatorial regions of the Atlantic Ocean or Caribbean Sea, traveling north, northwest, or northeast from its point of origin, and usually involving heavy rains.
飓风：一种猛烈的热带风暴，形成于大西洋或加勒比海赤道地区，从形成地向北、西北或东北移动，通常携有大量雨水参考资料：powerword2006

1.tornado:a violent destructive whirling wind accomanied by a funnel-shaped cloud that moves over a narrow path
2.hurricane:a tropical cyclone with winds of 74 miles per hour or greater that is usa accomanied by rain,thunder,and lighting.
3.typhoon:a hurricane occuring esp.in the region of philippines or the china sea