bran cleaning

例句：

1. 1. The farmer used a broom toclean the barn floor.
   农民用扫帚清扫谷仓地板。
2. 2. The grain cleaning process iscrucial for the quality of the flour.
   谷物清洗过程对于面粉的质量至关重要。
3. 3. After cleaning thegrains, we can use them tomake bread.
   清洗完谷物后，我们可以使用它们来制作面包。