potato没有副词。

　　n. [作物] 土豆，[作物] 马铃薯Sweet. I'll bring some potato salad and fruit.

　　太好了。我要带些土豆沙拉和水果。

　　The boiled potato was mealy.

　　这个煮土豆干巴巴的。

　　On the menu is wiener schnitzel and potatosalad.

　　菜单上有维也纳炸小牛排和土豆沙拉。

　　All main courses are served with chips or baked potato.

　　所有的主菜都配有炸土豆条或烤土豆。

　　Visitors were roped in for potato picking and harvesting.

　　参观者们被拉来帮助挖土豆和收获。

　　potato是一个名词，表示“土豆”，不存在副词一说。