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Potassium ions balance anions and organic acids, and are thus important in osmoregulation ,the control of stomatal opening, and leaf movements(through their effects on the turgor of pulvini).
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钾离子平衡阴离子和有机酸，因此在渗透调节、控制气孔的开闭以及叶运动（通过叶枕膨大的影响）中很重要。 |
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Potassium is necessary to the existence of all living things.
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钾是所有生物生存必须的。 |
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Potato is a kind of vegetables.
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土豆是一种蔬菜。 |
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Potato is native to America.
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马铃薯是美洲产的。 |
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Potato known as potatoes, protein, carbohydrate, iron, vitamin B and C and other substances. With detoxification, anti-inflammatory and other functions.
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只要三，四句介绍就够了。（就如：土豆又称马铃薯，含蛋白质、碳水化物、铁、维生素B和C等物质。具有解毒、消炎等功能。）就可以拉。就是不知道英语怎么说。。。 |
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Potato starch consists of the granules separated from tuber of potato by a physical process.
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土豆淀粉，通过对土豆块茎的物理加工及分离而获取的粉粒。 |
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Potatoes are 20 pence a pound.
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土豆每磅20便士. |
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Potatoes are in short supply because of the bad harvest.
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马铃薯因为收成不好正处于短缺的供应。 |
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Potatoes grew in South America five thousand years ago.
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五千年前，马铃薯在南美开始种植。 |
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Potatoes were introduced into Europe from South America.
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土豆是从南美传入欧洲的。 |
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Potent liquor; a potent toxin.
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有效力的酒；有效力的毒素 |
