potato [p??te?to?] n. 土豆
英英解释（牛津词典）：
a round white vegetable with a brown or red skin that grows underground as the root of a plant also com called a potato
potato的特点：
- 一种圆的白色的蔬菜（a round white vegetable）
- 有棕色或者红色的皮（with a brown or red skin）
- 它生长在地下作为植物的根也被叫做马铃薯（that grows underground as the root of a plant also called a potato）
单词选自：
人教精通版小学《英语》三年级
