to leaven
01
发酵, 使膨胀
to add a substance, such as yeast, to dough or batter, causing it to rise and become lighter during the baking process
Transitive: to leaven dough or batter
例子
She leavens her bread by carefully mixing in yeast and allowing it to ferment, resulting in a light and fluffy texture.
她通过仔细混合酵母并让其发酵来发酵她的面包，从而形成轻盈蓬松的质地。
The baker knows exactly how much yeast to use to leaven the dough.
面包师确切知道要用多少酵母来发酵面团。
02
发酵, 使活跃
to spread through something and cause positive change or enhancement
Transitive: to leaven a place or situation
例子
Her optimism leavened the tense atmosphere, making everyone feel more at ease.
她的乐观发酵了紧张的气氛，让每个人都感到更加自在。
His humor leavened the otherwise serious discussion, lightening the mood.
他的幽默发酵了原本严肃的讨论，使气氛轻松起来。
Leaven
01
酵母, 发酵剂
an influence that works subtly to lighten or modify something
02
酵母, 发酵剂
a substance used to produce fermentation in dough or a liquid
