leavening

Baking powder provides the leavening for quick breads that do not require biological yeast.

(Chinese) 烘焙粉为不需要生物酵母的速发面包提供发酵作用。

The secret to her fluffy pancakes is the specific leavening agent she adds to the batter.

(Chinese) 她做的薄煎饼蓬松的秘诀在于她往面糊里添加了特定的膨松剂。