“正常体温”常见的英文表达是 “normal body temperature”。
例句:
A normal body temperature for humans is around 37°C (98.6°F). (人类的正常体温大约是37°C(98.6°F)。)
The doctor checked to see if the patient had a normal body temperature. (医生检查了病人的体温是否正常。 )