被碾磨

例句：

1. 1. The machine is designed to crush the material into small pieces.
   这台机器被设计用来将材料压成小块。
2. 2. The potatoes were crushed by the heavy rain.
   雨水把土豆压得粉碎。
3. 3. The grains were ground into flour for baking bread.
   谷物被碾磨成面粉，用于烘焙面包。