此资料由网络收集而来，如有侵权请告知上传者立即删除。资料共分享，我们负责传递知识。关于海豚的英文演讲稿3篇同学们，你们见过海豚吗?海豚是一种很聪明的动物哦。小编为大家整理了关于海豚的英文演讲稿3篇，欢迎大家阅读。关于海豚的英文演讲稿篇1OnedayMr.Green,thescienceteacher,askedhisclass,"Whatdoyouwanttobewhenyougrowup?""Iwanttobeadolphintrainerlikemyuncle,"Mikeanswered."Whydoyouwanttobeadolphintrainer?"askedMr.Green."BecauseI'minterestedindolphinlanguage.""Dolphinlanguage?Tellusmore.""Allright,"answeredMike,"Myuncletellsmethatdolphinsareveryclever.Onedaymyunclesawasickdolphininthepool.Itcouldn'tcomeupforair.Soitwhistledtotheotherdolphinsforhelp.Theycametotheirfriendandmadesomestrangesounds.Theylookedsad.Thentogethertheypushedthesickdolphin'sheadupabovethewater.Soonitgotwell.""Somescientistsoncesaidtomyuncle,'Ifyoulivewithadolphinandtalktoitallday,maybeyoucanteachitsomewords.'Myuncledecidedtodothat.Helivedwithadolphin.Thedolphinlovedtoplayballsohedecidedtoteachtheword'ball'first.Hethrewaballtothedolphinandsaidtheword'ball'manytimes.Soonthedolphinstartedtosaytheword."Kateasked,"Howdotheymakesounds?"Mikedidn'tknow."Theymakesoundsthroughblowholesintheirheads,"saidMr.Green."Scientistsknowalittleaboutdolphinlanguage,but此资料由网络收集而来，如有侵权请告知上传者立即删除。资料共分享，我们负责传递知识。theyhavealotmoretolearn.""That'swhyIwanttobeadolphintrainer,"saidMike.关于海豚的英文演讲稿篇2Hopefullyyoualreadyknowthatdolphinsarenotfish.Dolphinsarewarmbloodedmammalslikeus.Theybreathairthroughanostrilonthetopoftheirheadscalledablowhole.Becausedolphinsbreathair,theymustsurfaceperiodically.Fish,however,breathbyusinggillsunderwater,andthereforedonotneedtosurface.Manyfishalsohavescales,whichdolphinsdonothave.Instead,theskinofadolphinfeelsrubbery.Alayeroffat,calledblubber,undertheirskinkeepsthemwarm.Thelocomotionoffishanddolphinsisalsodifferent.Fishswimbymovingtheirtailsfromsidetoside(horizontally).However,dolphinsswimbymovingtheirtailsupanddown(vertically).Howmanykindsofdolphinsarethere?Thisquestionwillprobablyneverbeansweredcorrectly.Ashumans,wewanttoputeverythingweknowofintoagroup.Somepeoplelikelargegroupswithsomevariationandotherslikesmall,precisegroups.Noteveryoneagreesaboutwhatmarinedolphinsdeservetheirownspeciesnameandwhatonesdonot.Icurrentlyhave32speciesofmarinedolphinslisted.Iamprettysurethatthiscoversallthespeciesaccurately.MostpeopleagreethattherearesixspeciesofporpoisesandfivespeciesofriverdolphinsDolphinscanunderstandandinterpretsomewordsandactions,theycannotunderstanduswordforwordlikeintheTVshow.Eventhoughdolphinsmaynotunderstanduscompletely,theymighthavetheirownlanguages.Infact,manypeoplebelievethatdolphinscommunicatewithlanguages.此资料由网络收集而来，如有侵权请告知上传者立即删除。资料共分享，我们负责传递知识。关于海豚的英文演讲稿篇3DolphinInthevastoceanlivemanycreatureswithgreatintellectualandphysicalcapacities.Dolphinisoneofthosegreatcreatures,whosecapacitiestothinkandmoveatanastoundingratepuzzlethosewhostudytheirbehaviors,Dolphinspossesssomethingthatmakesthemdifferentfromalltheotherseacreatures.Itisnotstrengthorspeedbutthesizeoftheirbrains.Dolphin'sbrainisalmostthesamesizeasthatfoundinthehumanhead.Theyliveforalingtime.Dolphins'babiesareborninthewater.Theycangrowuptothreeandahalfmeterslong.Dolopinsusesoundtohelpthemfindtheirway,lookfortheirfoodandtalkwitheachother.Soundisjustliketheireyesandmouths.
