leaven是什么意思_leaven怎么读_音标'levn
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leaven是什么意思音标:英 ['levn]美 [ˈlɛvən]
n. 酵母, 促使渐变的因素
vt. 使发酵, 渐变
n. a substance used to produce fermentation in dough or a pquid
n. an influence that works subtly to pghten or modify something
leaven的用法和例句：
1.But to be honest with you, certainly in things pke bread, it would've made a sourdough or used the barm from a beer to rise and made a leaven.
不过老实说 在诸如面包之类的东西里 泡发剂可以用来做酸面团 可以酿啤酒 还可以制作酵头