| 单词 | leaven | 
| 释义 | Word Frequency leaven(ˈlɛvən) noun  also: leavening 1.  any substance that produces fermentation in dough or batter, such as yeast, and causes it to rise  2.  a piece of such a substance kept to ferment a new batch of dough 3.  an agency or influence that produces a gradual change verb (transitive) 4.  to cause fermentation in (dough or batter) 5.  to pervade, causing a gradual change, esp with some moderating or enlivening influence Derived formsleavener (ˈleavener) noun Word originC14: via Old French ultimately from Latin levāmen relief, (hence, raising agent, leaven), from levāre to raise | 
| 随便看 | 
英语词典包含233703条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。