"What is the English phrase for '发烧'?"
The English phrase for "发烧" is "fever". It refers to an elevated body temperature, which can be a sign of an illness or infection. If you have a fever, it is important to rest and drink plenty of fluids. If your fever is high or lasts for a long time, you should see a doctor. There are many treatments available for fevers, but the best approach depends on the cause of the fever.
