mill join

例句：

1. 1. The mill is located in the heart of the town.
   这个磨坊位于镇中心。
2. 2. The millstone grinds grain into flour.
   磨石将谷物磨成面粉。
3. 3. The mill was built over a hundred years ago.
   这台磨机建于一百多年前。