a + potato
potato 是可数名词，单数前要用 a 或 an。
He peeled a potato for the soup.
他为做汤削了一个土豆。
马铃薯植株；土豆植株；无用的人或物；小人物；可食用的淀粉块茎；一种原产于南美的可食用块茎；爱尔兰的主食；生产这种块茎的植物
the edible starchy tuber of a plant, used as a vegetable and staple food
可食用的淀粉块茎
The edible starchy tuber of the plant species Solanum tuberosum.
一种原产于南美的可食用块茎；爱尔兰的主食
an edible tuber native to South America; a staple food of Ireland
生产这种块茎的植物
The plant that produces this tuber.
一年生植物,原产于南美,地下有可食用的淀粉块茎；广泛种植为园艺蔬菜；藤蔓有毒
annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous
比喻无价值的人或物
Metaphor for a person or thing of little value.
Potatoes are one of the most popular vegetables in the world.
土豆是世界上最受欢迎的蔬菜之一。
用法提示：potatoes 是 potato 的复数形式，在此句中作主语，泛指土豆这种蔬菜。
I boiled a potato for my salad.
我煮了一个土豆来做沙拉。
用法提示：potato 作单数可数名词，作动词 boiled 的宾语。
She is frying some potatoes for the party.
她正在为聚会煎一些土豆。
用法提示：potatoes 是 potato 的复数形式，在此句中作动词 frying 的宾语，表示多个土豆。
potato 是可数名词，单数前要用 a 或 an。
He peeled a potato for the soup.
他为做汤削了一个土豆。
复数形式为 potatoes，词尾加 -es。
These potatoes were grown in our garden.
这些土豆是我们自家菜园里种的。
potato 可直接放在另一名词前作定语，用单数形式，如 potato salad、potato chips。
She made potato soup for lunch.
她午饭做了土豆汤。
加定冠词 the 可指马铃薯这一整类作物或食物。
The potato was first grown in South America.
马铃薯最早种植于南美洲。
grammar · medium
易错句子I bought three potatos at the market.
正确表达I bought three potatoes at the market.
potato 是以 -o 结尾的名词，变复数时加 -es（同类还有 tomato、hero），所以复数是 potatoes，而不是直接加 -s 的 potatos；改 -os 为 -oes 即可，句意不变。
grammar · medium
易错句子Potato is my favorite vegetable.
正确表达Potatoes are my favorite vegetable.
potato 是可数名词，泛指一类东西时不能像不可数名词那样用光秃秃的单数形式，要用复数 Potatoes（也可用 the potato）；主语变复数后谓语也要相应改为 are，这样才表示「土豆（这一类）是我最喜欢的蔬菜」。
烤土豆（带皮整只烤）
She had a baked potato with sour cream for lunch.
她午餐吃了一个配酸奶油的烤土豆。
土豆泥
He piled mashed potatoes onto his plate.
他在盘子里堆满了土豆泥。
炸薯片（英式英语中指炸薯条）
The kids shared a bag of potato chips.
孩子们分吃了一袋炸薯片。
土豆沙拉
Please bring some potato salad to the picnic.
请带些土豆沙拉去野餐。
成天窝在沙发上看电视的人；懒人
Don't be such a couch potato — go outside and get some exercise.
别整天窝在沙发上看电视，出去活动活动。
棘手的问题；烫手山芋
The funding cuts have become a political hot potato.
削减经费已经成了一个政治上的烫手山芋。
Choose the next layer that will help you use potato with more confidence.
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