grindings

例句：

1. 1.The machine is designed to grind grain into flour.
   这台机器被设计用来将谷物磨成面粉。
2. 2. The chef used a mortar and pestle to grind spices for the meal.
   厨师用捣臼和研钵为晚餐准备香料。
3. 3.The ground coffee was so fine that it could be easily ground in a coffee grinder.
   磨好的咖啡粉非常细腻，可以轻松地在咖啡研磨机中研磨。