趣味英语听力Difference,Between,a,Hurricane,and,a,Typhoon

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Theonlydifferencebetweenahurricaneandatyphoonisthe（1

）wherethestormoccurs.

Hurricanesandtyphoonsarethesameweatherphenomenon：

tropical1）cyclones.Atropicalcycloneisagenerictermusedbymeteorologiststodescribearotating，organizedsystemofcloudsandthunderstormsthat2）originatesovertropicalorsubtropicalwatersandhasclosed，（2）circulation.

Theweakesttropicalcyclonesarecalledtropicaldepressions.Ifadepressionintensifiessuchthatitsmaximumsustainedwindsreach39mile（3），thetropicalcyclonebecomesatropicalstorm.Onceatropicalcyclonereachesmaximumsustainedwindsof74milesperhourorhigher，itisthenclassifiedasahurricane，typhoon，ortropicalcyclone，dependingupon（4）thestormoriginatesintheworld.IntheNorthAtlantic，centralNorthPacific，andeasternNorthPacific，thetermhurricaneisused.ThesametypeofdisturbanceintheNorthwestPacificiscalledatyphoon.（5），intheSouthPacificandIndianOcean，thegenerictermtropicalcycloneisused，regardlessofthestrengthofthewindassociatedwiththeweathersystem.

Theingredientsfortropicalcyclones（6）apre-existingweatherdisturbance，warmtropicaloceans，moisture，andrelativelylightwinds.Iftherightconditions3）persistlongenough，theycancombinetoproducetheviolentwinds，（7），torrentialrains，andfloodsweassociatewiththisphenomenon.Attimes，whenaweathersystemdoesnotmeetalloftheseconditions，butisforecasttobringtropicalstormorhurricaneforcewindstolandinthenextdayortwo，itiscalledapotentialtropicalcycloneintheAtlanticbasinandthecentralandeasternNorthPacificbasins.

IntheAtlantic，hurricaneseasonofficiallyrunsfrom（8）toNovember30.Ninety-sevenpercentoftropicalcycloneactivityoccursduringthistimeperiod.However，thereisnothingmagicalaboutthesedates.Hurricanescananddooccuroutsideofthissixmonthperiod.

詞组加油站

1.regardlessof不管;不顾;不搭理

例句：Allshouldbetreatedequallyregardlessofsocial