added grit

• 加入的杂质

added grit的用法和样例：

例句

1. In the case of sugarcane, it's first crushed.The juice is cleaned of impurities then taken to the distillery where yeast is added to consume the sugar in the juice.
   如果原料是甘蔗，先要榨出甘蔗汁，把其中的杂质清除，然后运往酿酒厂，在那里，把酵母加进甘蔗汁里，使其吞噬糖分。