土豆的英语是"potato".
土豆的词源来自于西班牙语"papa"，在16世纪被引入到英语中。
例句:
I'm going to make mashed potatoes for dinner tonight.
我今晚要做土豆泥。
Potatoes are a staple food in many parts of the world.
土豆是世界上许多地区的主要食物。
Baked potatoes are a healthy alternative to French fries.
烤土豆是炸薯条的健康替代品。