China Naming Network - Eight-character Q&A - The weather is very hot. Xiaohong looked at the thermometer at home (pictured). The temperature was _ _ _ _. She turned on the electric fan and immediately felt much cooler. She watched it again.

The weather is very hot. Xiaohong looked at the thermometer at home (pictured). The temperature was _ _ _ _. She turned on the electric fan and immediately felt much cooler. She watched it again.

As can be seen from the figure, the scale value of temperature is 0. 1℃, so the index is 37.8℃;

When the electric fan is turned on, the air flows faster, which accelerates the evaporation of body sweat and absorbs more heat, but the ambient temperature remains unchanged.

So the answer is: 37.8℃; Constant; Accelerate the evaporation of body sweat and absorb more calories.