Potatochipsareverypopularintheworld.Doyouknowhowtheywer...
问题详情：Potatochipsareverypopularintheworld.Doyouknowhowtheywereinvented(发明)?In1853,anative(本土的)AmericannamedGeorgeCrummadethefirstpotatochips.Crumwasachef(厨师)inanexpensiverestaurantinSaratogaS...