Mother adds a spoon of baking - powder in the flour, and then begins to churn it up.

妈妈往面粉中加了一小勺焙粉, 然后开始搅拌.

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It is made of wheat, barley or oatmeal, usually with baking powder as leavening agent.

它由小麦 、 大麦或麦片制成, 通常用烘焙粉作发酵剂用.

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