ACoolWaytoKeepCool Weallknowthatfoodswilleasilygobadif...
问题详情：ACoolWaytoKeepCool Weallknowthatfoodswilleasilygobadiftheygettoowarm.Soweusuallyputthemintoourfridgestokeepcoolinhotweather.Butcanyoumakeitwithoutfridges? In1995,Abba,ateacherfromNigeria...