clack mill

例句：

1. 1. The clackmill is used to crush grains intoflour.
   轧米机用于将谷物压碎成面粉。
2. 2. The farmer uses a clack mill to process the wheat before it's sold.
   农民使用轧米机在出售前加工小麦。
3. 3. Theclack mill was anessential tool in the early daysof agriculture.
   轧米机是农业早期的重要工具。