)leaven
酵素, 酵母, 潜移默化的影响1. a substance used to produce fermentation in dough or a liquid
同义词：leavening
2. an influence that works subtly to lighten or modify something
同义词：leavening
动词leaven:
1. cause to puff up with a leaven
同义词：raise, prove
- 习惯用语
- of the same leaven 同类的, 同一性质的
- the old leaven 旧思想旧习惯的残余
