太阳（The Sun）

详细内容

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太阳（thesun）

alllifeonourearthdepends,inonewayoranother,onthesun.withoutitslightandwarmth,therewouldbenolife.thesungivesusourfoodandourclothingmaterial.itevengivesusourcoal,too.thesunalsomakesourdayandournight.lighttravelsinstraightlines.itesfromthesun45,000,000milesaway.

thesunlightshalftheearthatatime.itisdayonthelightedside.itisnightonthedarksideoftheearth.almosteverypartoftheearthturnsfromdaytonightduringevery24hours.

asunnydayinwinteriscolderthanasunnydayinsummer.thisisbecausethesummerdayislonger,everythinghasalongertimetowarmupandthesunshinesmoredirectlyontheearth.inwinter,thedayisshort,thereislesstimeforeverythingtogetwarmandthesundoesn'tshinemoredirectlyontheearth.

land,justlikethesand,warmsupmorequicklythanwaterbutitalsolosesitsheatmorequickly.soonahotsunnysummer'sdayonthebeach,youcanfeelhowhotthesandgets.thewateriscooltothefeetwhenyougoforapaddle.

thesunmakesourearthbeautiful.itgivesuslight.itkeepsuswarm.itmakesthingsgrow.wecannotlivewithoutthesun.