磨成

例句：

1. 1. The chef carefully ground the meat into a fine paste.
   厨师小心翼翼地把肉磨成细粉。
2. 2. The grains were ground into flour for making bread.
   谷物被磨成面粉用来做面包。
3. 3. The machine is used to grind coffee beans into a powder.
   这台机器用来把咖啡豆磨成粉末。