【英语翻译,需语法正确,别用翻译器..急需!earsareforhearing-everyoneknowsthat.butanewstudyhasfoundthatforacreaturecalledthecuvier'sbeakedwhalehearingstartsinthethroat.thisdiscoverymighthelpexplainhowallwhale】

　　英语翻译,需语法正确,别用翻译器..急需!

　　earsareforhearing-everyoneknowsthat.butanewstudyhasfoundthatforacreaturecalledthecuvier'sbeakedwhalehearingstartsinthethroat.

　　thisdiscoverymighthelpexplainhowallwhaleshear,researcherssay.theworkmightalsomightalsohelpscientistsunderstandhowanimalsareaffectedbyunderwatersonar

　　thecuvier'sbeakedwhalesdivedeepintotheoceaninsearchoffood.asthewhaleshunt,theyproducesoundsthatbounceoffobicetsandthenruturntothewhales.thisbounceoffobjectsandthenreturntothewhales.thisprocess,calledecholocation,allowstheanimalsto'see'theshape,size,anddeepundertheseawhereitistotallydark.toberrerunderstandhowthewhalehears,researhersfromsandiegostateuniverstiyincaliforniatookthree-dimensionalxraysoftwocuvier'sbeakedwhales,whichhaddiedandhadbeenwasheduponabeach.theyusedtheimagestocreateacomputermodelofacuvierwhale'shead.then,theymodeledtheprocessofsoundtravelingthroughthehead.

　　thereseatchersknewthatsomesoundsgettotheearsofatoothedwhalethroughaparticularstructure.foundonthelowerjaw,thisstructureisverythinontheoutsideandhasalarge,thickpieceoffatontheinside.

　　whentheresearchersusedtheircomputermodeltotrackhowsoundwavestravelinthewhale'shead,theyweresurprisedtofindtharsoundscommingfromrightinfrontofthewhaleactuallytravelundertheanimal'sjaw.fromthere,soundwavesmovethroughthethroat,intoaholethebackofthejaw,andfinallytothepieceoffatneartheanimal'sears.

　　researchersguessthatothertypesmayhearthroughtheirthroats.furthertestingisneededtobesure.eventually,insightintohowwhaleshearmightexplainwhethersonartestingbymilitaryshipsiscausingmorewhalestobestranded.