剑桥词典[ 不可數或單數名詞:沒有複數形式的名詞 ] leather made from the skin of pigs 豬皮(革) pigskin gloves /shoes 豬皮手套/鞋 [ 可數名詞:有複數形式的名詞 ] US informal the ball used to play American football 橄欖球 返回 pigskin