They contain flour, eggs, milk and baking powder.

它含有面粉，鸡蛋，牛奶和发酵粉。

youdao

Hotcakes are also called pancakes. They contain flour, eggs, milk and baking powder.

烤饼也称为煎饼，由面粉、鸡蛋、牛奶和发酵粉而制成。

youdao

After blending the flour, eggs, milk, and baking powder, you're ready to start cooking pancakes.

将面粉、鸡蛋、牛奶和泡打粉混合均匀后，就可以开始做薄饼了。

youdao

They contain flour,eggs, milk and baking powder.

VOA: special.2011.02.20

On weekday mornings, simplicity is the greatest virtue: Stir together milk, eggs, flour, butter, baking powder and maybe a sprinkle of sugar.

WSJ: Waffle Recipes: Off the Grid | Breakfast 2.0