In a large bowl, mix together two kinds of flour, baking soda and baking powder.
In a large bowl, mix together two kinds of flour, baking soda and baking powder.
将两种面粉，小苏打和烤粉混合到盆里。
In a large bowl, mix together two kinds of flour, baking soda and baking powder.
将两种面粉，小苏打和烤粉混合到盆里。