问题标题：
【求一篇关于蝴蝶生长过程的英语作文就是写从卵变为毛毛虫再变为蛹再变为蝴蝶的英语作文】
问题描述：
求一篇关于蝴蝶生长过程的英语作文
就是写从卵变为毛毛虫再变为蛹再变为蝴蝶的英语作文
罗晋生回答：
Thebutterflyisholometabolousinsects,itslifehasfourdistinctdevelopmentalstages:(1)theeggstage(embryonicperiod);
(2)thelarvalstage(growthperiod);
(3)thepupalstage(period);
(4)theadultstage(sexualperiod).
Afterthreestagesofdevelopmentarecollectivelyreferredtoasthepostembryonicdevelopment.Thefourdevelopmentalstagesofthebody,fromthemorphologicalpointofview,nothingincommon.Therefore,mustpassthroughthesystemorcontinuousobservation,canunderstanditisaspeciesoffourdevelopmentalstages.
Thefourdevelopmentstagesofgoroundandbeginagain,formingacircleoflife,alsocalledageneration.Butterflytocompletealifetime,short,shortseveraldays(suchasPierisrapae),betternearlythreeyears(RudongNorthParnassius).Intheyearbetweenthenumberofgenerations,oftenduetoBabesiaspecieshavedifferent.Ayearofonegeneration(suchastheChinesetigerswallowtail);therearemanygenerations(suchasPierisrapae),itsnumberofgenerationsoftenwiththetemperaturearoundthelevelaredifferent,theyareinHeilongjiangforoneyearonly23generationsinGuangdong,butcanbeupto56generations.Asforgenerationsisnamed,sincethebeginningoftheyear,andattheendoftheyear,arecalledthefirstgeneration,secondgeneration......Andsoon.Inaddition,thereareseasonalandnaminggeneration,forexample:adultemergenceinthespringcalledspringgenerationadultemergenceinthesummer,calledSummergenerations.
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