为了增强风味，洋葱在炒之前必须精细切丁。

To enhance the flavour, the onions must be finely ___diced before being sautéed.

准备过程包括将各种蔬菜切丁，这很耗时但必不可少。

The preparation involves ___dicing a variety of vegetables, which is time-consuming but essential.

对于这个食谱，确保将土豆均匀切丁以保证烹饪均匀。

For this recipe, ensure you ___dice the potatoes uniformly to ensure even cooking.