英语翻译Weallknowthatitispossibleforordinarypeopletomaketheirhomesontheequator,althoughoftentheymayfeeluncomfortablyhotthere.Millionsdoit.ButsasfortheNorthPoleweknowthatitisnotonlyadangerouslycoldplace,but

　　英语翻译

　　Weallknowthatitispossibleforordinarypeopletomaketheirhomesontheequator,althoughoftentheymayfeeluncomfortablyhotthere.

　　Millionsdoit.ButsasfortheNorthPoleweknowthatitisnotonlyadangerouslycoldplace,butthatpeoplelikeyouandmewouldfinditquiteimpossibletolivethere.Atthepresenttimeonlythescientistsandexplorerscandoso,andtheyusespecialequipment.

　　Menhavebeentravellingacrossandaroundtheequatoronwheels,ontheirfeetorinshipsforthousandsofyears;butonlyafewmen,withgreatdifficultyandinveryrecenttime,haveevercrossedtheicetotheNorthPole.Soitmaysurpriseyoutolearnthat,whentravellingbyair,itisreallysafertoflyovertheNorthPolethanovertheequator.Ofcourse,thisisnottrueaboutlandingsinthepolarregion(whichpassengeraeroplanesdonotmake).

　　Buttheweather,ifweareflyingataheightof5,000metresabovethePole,isadelight.At4,000metresandmoreaboveheearthyoucanalwaysbesurethatyouwillnotseeacloudintheskyasfarastheeyecanreach.

　　Inthetropics,ontheotherhand,youarenotcertaintokeepclearofbadweatherevenatsuchheightsas18,000or20,000metres.

　　Aeroplanescannotclimbashighorasquicklyincoldairasinwarm.Norclouds.Inpractice,thisisanadvantagetotheaeroplane,whichisalreadyatagoodheightwhenitreachesthepolarregionandsodoesnotneedtoclimb,whileatthetimecoldairkeepsthecloudsdownlow.