英语翻译
OneofthemostimportanteventsinhistoryhappenedonDecember17,1903,ataplacecalledKittyHawkinNorthCarolina,USA.Itwasthefirstflightofapoweredaircraft.Onlyfivepeoplewitnessedtheeventbut,luckily,oneofthemtookaphotograph.Peoplehadflownforveryshortperiodsbefore,usingwingsofdifferentkinds.In1678aFrenchmanbuiltagliderandflewitoverasmallbuilding.About200yearsbeforethat,LeonardodaVincidesignedaflyingmachinethatwasneverbuilt.TheflightatKittyHawkwasthefirsttimeanenginehadbeenusedtoliftanaircraftupandpoweritthroughtheair.ThemenwhobuilthisfirstpoweredaircraftweretheWrightbrothers-OrvilleandWilbur.Itwasabiplane(whichmeansithaddoublewings)withasmallfour-cylinderengine.TheWrightbrothersnamedittheFlyer.Orvillewasthepilot.Heflewtheplanefor12secondsatabout30milesanhour.Thiswasthefirstflightofaheavier-than-airmachinethattookoffintotheaircarryingaperson,andmovedforwardtolandatapointashighasthatfromwhichithadtakenoff.Whereitlandedwasimportantbecauseaplanecanglidetoaplacelowerthanitsstartingpoint.Fromthisdateonwardsthingshappenedquickly,andin1919AlcockandBrownflewanairplaneacrosstheAtlanticOcean,ajourneyof1,889miles.