The flour grains came mostly from cattails and ferns, plants whose roots are rich in starch, kind of like a potato.

面粉主要来自于香蒲和蕨类植物，这些植物的根富含淀粉，有点像土豆。

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The card, with a picture of Brussels sprouts on the front, is made from potato starch paper and printed with food colouring instead of ink.

卡的封面是抱子甘蓝的图片。卡是用土豆淀粉纸做的，并用食用色素替代油墨上色印刷。

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Eggs. In baked goods, try commercial egg replacers - a dry product made mostly of potato starch.

在制作烘焙类食物时，不妨尝试广告中介绍的鸡蛋替代品吧，即那种由马铃薯淀粉制作而成的干干的玩意儿。

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