Findingenoughmeatwasaproblemforprimitive(原始的)manand,kee...
問題詳情：Findingenoughmeatwasaproblemforprimitive(原始的)manand,keepingitfortimeswhenitwasscarce（缺乏的）wasjustashard.Threewayswerefoundtokeepmeatfromspoiling(腐爛.):salting(鹽),drying,andfreezing.People...