| [/ˈlevn; ˋlɛvən/] n [U] 用法:
1 substance (eg yeast) used to make dough rise before it is baked to make bread 酵母; 面肥. 用法:
2 (fig 比喻) quality or influence that makes people, an atmosphere, etc less serious, more lively, etc 使人、 气氛等轻松、 活跃等的因素:
a lively artistic community, acting as the leaven in society 给社会增加生气的活跃的艺术团体. leaven 2
v [Tn] 用法:
1 add leaven to (sth) 在（某物）中加酵母:
leavened bread 发酵面包. 用法:
2 (fig 比喻) enliven (sth) 使（某事物）活跃. |