复数 sheep cow goat goose baby potato tomato 单数 teeth feet tomato
问题描述：
复数 sheep cow goat goose baby potato tomato 单数 teeth feet tomato
答
sheepsheepcowcowsgoat goatsgoosegeesebaby babiespotato potatoestomato tomatoesteethtoothfeet foottomato tomato一般来说在以y结尾的将y改为i再加es以o结尾的加es照片photo复数是...