酵

例句：

1. 1. The bread wasmade with yeast and left to rise forseveral hours.
   面包是用酵母做的，放置了几个小时才发酵。
2. 2. The wine is fermented in barrels before it's bottled.
   葡萄酒在瓶装前是在桶中发酵的。
3. 3. Theprocess of fermentationis essential for the production ofmany foods.
   发酵过程对于许多食品的生产都是必要的。