n.酵母，面肥；潜移默化的影响；vi.使（面团）发酵；在…中掺入改变的因素； 变形： 过去式：leavened过去分词：leavened现在分词：leavening第三人称单数：leavens 英英释义： leaven[ 'levn ]n.a substance used to produce fermentation in dough or a liquid同义词：leaveningan influence that works subtly to lighten or modify something