1. fermentation

1. Milk becomes cheese by fermentation.
    牛奶经发酵而成乳酪。

1. 发酵作用：现代啤酒是以大麦芽(malt)、酒花(hop)、水为主要原料,经酵母(yeast)发酵作用(fermentation)酿制而成的饱含二氧化碳(carbon dioxide)的低酒精度酒(nablab).

2. 發酵過程：雪茄的烟所含的氨气,比香烟的含量 大二十倍,而雪茄烟所含的镉,是香烟的五至十倍;原因是制造雪茄的发酵过程(fermentation),会产生较高浓度的硝酸盐(nitrate),由于用来卷雪茄烟的纸不大透气,抽雪茄烟的燃烧过程,未能彻底燃烧雪茄,

3. fermentation

3. 发酵;激动;动荡：fermentation liquor 发酵液 | fermentation 发酵;激动;动荡 | fermentative bacteria 发酵细菌

1. a process in which an agent causes an organic substance to break down into simpler substances
    especially, the anaerobic breakdown of sugar into alcohol

    Synonym: zymosiszymolysisfermentingferment

2. a state of agitation or turbulent change or development

    e.g. the political ferment produced new leadership
           social unrest

    Synonym: agitationfermenttempestuousnessunrest