问题补充说明：不少于50字 谢谢
Ayearthefourseasonsappearalternately,sp来自ring,summer,aut威可海秋仍践非银第销传umnandwinter.Inastronomy,seasonaldivisionisearthorbit官粮搞上承aroundthesunintheposition.Theearthrevolvesroundthesuninanellipticalorbit,andit劳陈法srotationAngleofaplane.Localballinaye教农粉需充日析妒天探ar,whentherev360问答olutionisdifferentindifferentposition,theorbitonearthbythesunshineeverywhereisnotthesame斗致伟发异明心早,receivesthesun'sheat,sohavethechangeandthecold.
Intheclimate,thefourseasonsistodistingui西品shthetemperature.Inthenorthernhemisphere,every3-5monthsforspring,6~8monthsforthesummerandfallfromSeptembertoNovember12~forFebruaryforwinter.Inthesouthernhemisphere,allthetimewiththeseasonjusttheopposite.众席左县保讨以植她行凯Thesouthern空苏事良非苗龙hemisphereissummer,winterinthenorthernhemisphere's,Thesouthernhemisphereiswinter,summerinthenorthernhemisphere.Ineachseasonandno落企六移儿农还福obviouslimits,seasonalchangeover东什四济isgradually.
标签：英语,季节,介绍
