Interpretation:

The decomposition of organic matter due to certain bacteria or enzymes is called "fermentation". Fungi that can ferment organic matter are called "yeast". Also known as "yeast" and "brewing mother".

Make sentences:

1, that little hand is round and fat, like fermented white flour steamed bread.

2. Although simple yeast can produce most flavor substances, the content of organic acids and esters in the mash can be greatly increased by the participation of microorganisms in the fermentation of wheat starter.

3. 1999, five different research teams discovered this enzyme in unison, and its content was particularly rich in brain neurons.

4, melancholy youth, rebellious years, fermented into a bowl of turquoise grass juice, poured into the heart.

5. Most pressures will directly or indirectly cause reactive oxygen pressure of Schizosaccharomyces pombe.