leaven
n. 酵母；酵素；潜移默化的影响；调和剂
v. 改变；使发酵；影响；使……较有趣；为……增色
第三人称单数 leavens
现在分词 leavening
过去式 leavened
过去分词 leavened
例句
A few jokes add leaven to a boring speech.
几句笑话可给枯燥无味的演讲增添活跃的气氛。
《牛津词典》
He found congenial officers who knew how to leaven war's rigours with riotous enjoyment.
他找到了和他志趣相投的懂得用狂欢来冲淡战争的残酷的军官。
《柯林斯英汉双解大词典》
Purge out therefore the old leaven, that ye may be a new lump, as ye are unleavened.
你们既是无酵的面，应当把旧酵除净，好使你们成为新团。
