dry-milling

例句：

1. 1. The grains are being dried and then ground into flour.
   谷物正在被干燥并磨成面粉。
2. 2. Dry-milling is a process that involves grinding grains to make flour.
   干磨是一种涉及将谷物磨成面粉的过程。
3. 3. In some regions, dry-milling is an important part of the food production process.
   在一些地区，干磨是食品生产过程中的一个重要部分。