24节气英文ppt.ppt

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1、Twenty-fourChineseSolarTermsBy文文振帆振帆 王恒俊王恒俊24SolarTermsBasedonthechangesofthesunspositioninthezodiacthroughouttheyearandpracticalneedsofagricultureinancientChina,the“24solarterms”isanimportantkindofcalendarinChina.Itindicatesdifferentperiodsofseasons,thechangesofweather,somenaturalphenomenaandmore,g

2、uidingfarmersinagricultureproductiongreatly.Commonpeoplealsofollowthecalendartowatchoutweatherchangesandliveahealthylife.GraininearOriginAsearlyastheShangDynasty(17thcenturyBC-1046BC),theChineseancestorshadalreadyestablishedfourmajorsolarterms.DuringtheZhouDynasty(1046-256BC),eightsolartermsmarkingt

3、hefourseasonswereestablished:StartofSpring,SpringEquinox,StartofSummer,SummerSolstice,StartofAutumn,AutumnEquinox,StartofWinter,andWinterSolstice.UntiltheHanDynasty(202BC-220AD),thepresent24solartermswasestablishedcompletely.TherainsThetwenty-foursolartermscanbedividedintothreegroups:Onegroupreflect

4、stheseasonalchanges(including8terms):StartofSpring,StartofSummer,StartofAutumnandStartofWintermarkthefourseasons;SpringEquinox,SummerSolstice,AutumnEquinox,andWinterSolsticereflecttheheightchangesofthesunfromtheastronomyaspect.InsectsawakenOneembodiesnaturalphenomena(including4terms):InsectsAwaken,P

5、ureBrightness,GrainFullandGraininEarVernalEquinoxTherestreflectstheclimatechanges(including12terms):SlightHeat,GreatHeat,TheEndofHeat,LesserColdandGreaterColdtellthetemperaturechanges;RainWater,GrainRain,LightSnowandHeavySnowreflecttheprecipitationlevels;WhiteDew,ColdDewandFrostDescentreflectthedrop

6、pingprocessanddegreeofthetemperature.PureBrightnessThedateofeachsolartermisbasicallyfixedwithminordifferencesofwithinoneortwodays.Eachmonthhastwosolarterms.GrainrainFollowing,letuschecktheexactdatesfor24solartermsin2015anddetailedmeaningsforeachterm.GrainFullSpringStartofSpringFeb.4Thespringseasonbe

7、gins.RainWaterFeb.19Theamountofrainfallincreases.InsectsAwakenMar.6Insectsareawakeningfromwintersleepbythespringthunder.SpringEquinoxMar.21Themid-pointforthespringseason;Dayandnightareequallylongontheday.PureBrightnessApr.5Itiswarm,brightandeverywheregetsgreen;Itisalsothetimefortendinggraves.GrainRa

8、inApr.20Rainfallincreaseswhichishelpfultograincrops.StartofSpringSummerStartofSummerMay6Thesummerseasonbegins.GrainFullMay21Grainsaregettingplumpbutnotripeyet.GraininEarJun.6Wheatgrowsripemarkingthebeginningofabusyfarmingseason.SummerSolsticeJun.22Thesunaltitudearrivethehighestinnorth;Ithasthelonges

9、tdaytimeoftheyear.SlightHeatJul.7Thehottestdaysareyettocome.GreatheatJul.23Thehottesttimeofayear.StartofSummerAutumnStartofAutumnAug.7Theautumnseasonbegins.TheEndofHeatAug.23Thehotsummeriscomingtoanendandheatstops.WhiteDewSep.8Itisgettingcooleranddewdropsappearongrassandtreesinthemorning.AutumnEquin

10、oxSep.23Themid-pointfortheautumnseason;Thetemperaturebeginstodecrease;Dayandnightareequallylongontheday.ColdDewOct.8Thedewsarebecomingfrost.FrostDescentOct.24Frostappearsandthetemperaturebeginstodescent.StartofAutumnWinterStartofWinterNov.8Thewinterseasonbegins.LightSnowNov.22Itbeginstosnowbutcantac

11、cumulatealotontheground.HeavySnowDec.7Itbeginstosnowheavily.WinterSolsticeDec.22Ithastheshortestdaytimeofayear;Aftertheday,manyplacesinChinagointothecoldestperiod;PeopleinnorthernChinaeatdumplingsonthedayandsweetsoupballsforthepeopleintheSouth.LesserColdJan.6Itisgettingcolder,butthecoldestdaysareyettocome.GreaterColdJan.20Itisthecoldesttimeofayear.StartofWinterSummersolsticeSlightheatGreatheatStoppingtheheatWhitedewsAutumnEquinoxColddewsHoar-frostfallsLightsnowHeavysnowWinterSolsticeSlightcoldGreatcold