yeast for animal feeds

例句：

1. 1. Yeast is a type of fungus that can be used to make bread and other baked goods.
   酵母是一种可以用来制作面包和其他烘焙食品的真菌。
2. 2. The bakery uses yeast to make sourdough bread.
   这家面包店使用酵母来制作酸面团面包。
3. 3. Yeast fermentation is the process by which yeast converts sugar into alcohol and carbon dioxide gas.
   酵母发酵是酵母将糖转化为酒精和二氧化碳气体的过程。