| 释义 | 
		leaven美 ['lev(ə)n]  英 ['lev(ə)n]  - n.发酵剂;面肥
 - v.使更令人愉快
 - 网络酵母;使发酵;名词酵母
 
 第三人称单数:leavens  现在分词:leavening  过去式:leavened   1.  | [u] 发酵剂;(尤指)酵母,面肥a substance, especially yeast , that is added to bread before it is cooked to make it rise  |  
  | 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。  |  
 1.  | [oftpass] ~ sth (with sth) (添加…)使较有趣,使更令人愉快to make sth more interesting or cheerful by adding sth to it  |  
  | Her speech was leavened with a touch of humour. 几分幽默使她的讲话更为有趣。  |  
 v.  | 2. to cause bread or cake to rise using leaven 3. to lighten the atmosphere or mood of something 4. to add yeast to a bread mixture so that it will contain air and will be bigger and lighter 5. to add something that makes a situation, story, movie, etc. more interesting, funny, or exciting 2. to cause bread or cake to rise using leaven 3. to lighten the atmosphere or mood of something 4. to add yeast to a bread mixture so that it will contain air and will be bigger and lighter 5. to add something that makes a situation, story, movie, etc. more interesting, funny, or exciting  |  n.  | 1. a substance used to make dough rise, especially yeast or another fermenting agent 2. something that lightens the weight or mood of something 3. a substance such as yeast that is added to a bread mixture so that it will contain air and will be bigger and lighter 4. something that makes a situation, story, movie, etc. more interesting, funny, or exciting 1. a substance used to make dough rise, especially yeast or another fermenting agent 2. something that lightens the weight or mood of something 3. a substance such as yeast that is added to a bread mixture so that it will contain air and will be bigger and lighter 4. something that makes a situation, story, movie, etc. more interesting, funny, or exciting  |  
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