yeast

n. 酵母
【化】 酵母
【医】 酵母菌

动词过去式:yeasted 过去分词:yeasted 现在分词:yeasting 第三人称单数:yeasts 

yeast

n.（名词）


Any of various unicellular fungi of the genusSaccharomyces, especially S. cerevisiae, reproducing by budding and from ascospores and capable of fermenting carbohydrates.
酵母菌：一种酵母菌 属的单细胞真菌，尤指 S.cerevisiae ，通过发芽和从子囊孢子生殖，能够发酵成碳水化合物
Any of various similar fungi.
酵母：一种类似的真菌
Froth consisting of yeast cells together with the carbon dioxide they produce in the process of fermentation, present in or added to fruit juices and other substances in the production of alcoholic beverages.
发酵剂：一种由酵母细胞及其在发酵过程中产生的二氧化碳组成的泡沫，它们存在于或被加入果汁或其它用来制造酒精饮料的物质中
A commercial preparation in either powdered or compressed form, containing yeast cells and inert material such as meal and used especially as a leavening agent or as a dietary supplement.
发酵粉（饼）：一种粉状或饼状的商业制剂，含有酵母细胞和惰性物质，如玉米粉，专门用作发酵剂或饮食的补充物
Foam; froth.
泡沫，泡
An agent of ferment or activity:
激动：骚动或活动的动因：
例句：
political agitators who are the yeast of revolution.See Synonyms at catalyst
激起革命的政治鼓动者参见 catalyst

v.intr.（不及物动词）
yeast.ed,yeast.ing,yeasts
To ferment.
发酵
To froth or foam.
起泡沫

来源：
Middle English yeest
中古英语 yeest
from Old English gist * see yes-
源自 古英语 gist *参见 yes-