distiller's spent grains

例句：

1. 1.The distiller's spent grains are a valuable byproduct of the distillation process.
   蒸馏器的废粮是蒸馏过程的有价值的副产品。
2. 2. These spent grains can be used to produce biofuels, which are environmentally friendly.
   这些废粮可以用于生产生物燃料，这是一种环保的能源。
3. 3. The distillery is using these spent grains to create new products that will enhance their flavor profile.
   酿酒厂正在使用这些废粮来创造新的产品，以增强其风味。