Problem analysis: Hello, I cannot accurately control the temperature. It is almost 80℃ when the water is boiled, and it is 100℃ when it is boiled.

Opinions and suggestions: Milk cannot be heated above 80℃, so you can boil water, and then put a cup of milk into the boiling water and scald it for a while. It will definitely not exceed 80℃. When the water is just boiled, it is almost 80℃, and when it is boiled, it is 100℃. Milk cannot be heated above 80°C, so you can boil water, then put a cup of milk into the boiling water and scald it for a while. It will definitely not exceed 80°C.