milling releasing stuck

例句：

1. 1. The millstone is used to grind the flour into a fine powder.
   磨石用于将面粉磨成细粉。
2. 2.The miller's son was skilled at milling grain into flour.
   磨坊的儿子擅长将谷物磨成面粉。
3. 3. The milling process requires careful attention to ensure quality.
   磨制过程需要仔细关注，以确保质量。