【英语翻译Almosteveryonehasdroppedsomefoodonthefloorandstillwantedtoeatit.Ifsomeonesawyoudropit,heorshemighthaveshouted,“5-secondrule”Thisso-calledrulesaysfoodisOKtoeatifyoupickitupinfivesecondsor】
英语翻译
Almosteveryonehasdroppedsomefoodonthefloorandstillwantedtoeatit.Ifsomeonesawyoudropit,heorshemighthaveshouted,“5-secondrule”Thisso-calledrulesaysfoodisOKtoeatifyoupickitupinfivesecondsorless.ButisthattrueProfessorAnthonyHiltonfromAshtonUniversity,UK,testedtherulewithhisstudents.Theyfoundthatfooddroppedforfivesecondsislesspossibletogetbacteria(细菌)thanifitsitsthereforlonger.Forthestudy,Hiltonandhisstudentstestedalotoffoods–bread,pasta,cookiesandcandy–toseehowmuchbacteriatheyhadwhentheydroppedontothefloor.Theyallowedthefoodtolieondifferentkindsofflooring–carpet,laminate(复合地板),andtile(瓷砖)--forthreesecondsto30seconds.Notsurprisingly,thelongerthefoodwasonthefloor,themorebacteriaithad.Andthekindoffloorwherethedroppedfoodlandedhadaneffect.Bacteriaareleastpossibletothegottenfromcarpet,whilethey’remostpossibletobegottenfromlaminateortiledsurfacesaftermorethanfiveseconds.Thestudyalsofoundthatthewetterthefood,themorepossibleitwastopickupbacteria.Althoughmostpeoplearehappytofollowthe5-secondrule,eatingfooddroppedonthefloorstillcarriesaninfection(感染)risk.“Itverymuchdependsonwhichbacteriaareontheflooratthetime,”HiltontoldForbes.