n.

1. 酵母，酵素；發酵[C][U]
2. （社會等的）動亂，騷動[U][S]
   The country was in ferment.

   那個國家處於動亂中。

vt.

1. 使發酵
   When wine is fermented, it gives off bubbles of gas.

   酒發酵時發出氣泡。

2. 醞釀
3. 使騷動
   His speeches fermented trouble among the work force.

   他的講話在工人中引起騷動。

vi.

1. 發酵
   Fruit juices ferment if they are kept a long time.

   果汁放置日久會發酵。

2. 騷動

v.

1. undergo or cause to undergo fermentation.
2. stir up (disorder).

n.

1. agitation and social unrest.
2. dated a fermenting agent or enzyme.