stack mixing

例句：

1. 1.The chef carefully stacked the ingredients for the next dish.
   厨师小心翼翼地为下一道菜准备食材。
2. 2. After the meal, they mixed the leftovers into a new salad.
   餐后，他们将剩菜混合成新的沙拉。
3. 3. The engineer was asked to mix different materials to create a stronger structure.
   工程师被要求混合不同的材料以创建更强的结构。