【英语翻译Notuntilthebeginningofthetwentiethcenturywasitrecognizedthatcertainsubstanceswereessentialinthediettopreventorcuresomedisease,theresubstancesarenowknownasvitamins,theyarevitalforgrowth,goodhealthandmai】

　　英语翻译

　　Notuntilthebeginningofthetwentiethcenturywasitrecognizedthatcertainsubstanceswereessentialinthediettopreventorcuresomedisease,theresubstancesarenowknownasvitamins,theyarevitalforgrowth,goodhealthandmaintenanceofthenormalfunctionsofthebody,awell-balanceddietshouldprovideallthevitaminswenormallyrequire,thoseofuswhoarefortunateenoughtobeabletobuysufficientfoodshouldnotsufferfromvitaminefficiency,however,forvariousreasons,somepeopledonotmaintainabalanceddiet,peopleoftenlosetheirappetitebecauseofillness,peoplelivingalonemaynotbothertoeatpropermeals,andpeopleonadietmaynoteatsufficientquantitiesofnecessaryfoods.的中文翻译,快,

　　不要那种在线翻译器翻译出来得噢,