tor·na·do /tɔrˈne(ˌ)do/
 旋風,龍捲風,大雷雨
 Tor·na·do n.; pl. Tornadoes   A violent whirling wind; specifically Meteorol., a tempest distinguished by a rapid whirling and slow progressive motion, usually accompaned with severe thunder, lightning, and torrents of rain, and commonly of short duration and small breadth; a small cyclone.
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 tornado
      n 1: a localized and violently destructive windstorm occurring
           over land characterized by a funnel-shaped cloud
           extending toward the ground [syn: twister]
      2: a purified and potent form of cocaine that is smoked rather
         than snorted [syn: crack]
      [also: tornadoes (pl)]