Manypeoplehavethewrongideasaboutpigs.Pigsareactuallyver...
问题详情：Manypeoplehavethewrongideasaboutpigs.Pigsareactuallyverycleananimals.Onthefarms,theyliveinthedirtyplaces.So,theybecomeverydirty. Inthewild,pigskeepveryclean. Theyarealsoreallysmart.Theymay...