Smoking temperature is important when frying, if the oil has a slight blue smoke or haze rising from it then it is too hot and will begin to break down which makes it indigestible.

• 烟温很重要，在油炸时油在高温时候表面会升起一层薄薄的蓝色的烟，它会使油被分解成使人难消化的物质。