potato改为复数的单词是potatoes。potatoes的意思是马铃薯，土豆，洋芋。potatoes的例句：Cook the potatoes and turnips in a large saucepan（用大炖锅煮土豆和芜菁）。

potatoes的例句：The potatoes were drowned in chilli（马铃薯完全被辣椒盖住了）；I have to feed the chickens and hoe the potatoes（我得喂鸡，还得为马铃薯锄草）。