Zuò / dàn / gāo / shí / tā / zài / miàn / fěn / zhōng / jiā / rù / le / yì / xiē / yù / mǐ / fěn做蛋糕时,她在面粉中加入了一些玉米粉。When making a cake, she added some cornflour to the wheat flour.