America's favorite white vegetable, the potato, is an excellent source of vitamin c, potassium, vitamin B6, niacin and thiamin.
土豆，作为美国最喜爱的白色蔬菜，是维生素c、钾、维生素b6、烟碱酸和硫铵的一个很好来源。
The Potato Council says its campaign has the backing of dieticians who say the vegetable is low in fat and high in vitamin c.
马铃薯委员会声称这场运动得到了营养学家的支持。后者宣称土豆脂肪含量低，而且富含维生素c。
In ancient China application of the vegetable indigo dated as early as 1600-2100 B. C. at least.
我国开始应用植物靛蓝至迟在公元前二十一世纪到公元前十六世纪。
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