Definition
To have a body temperature that is higher than normal due to illness.
發燒，發熱
He didn't come to work this morning because he was running a fever.
他今天早上沒來上班，因為他在發燒。
I think I might be running a fever; I need to take my temperature.
我想我可能發燒了；我需要量體溫。
The child seemed lethargic and was running a fever.
孩子看起來很沒精神，而且正在發燒。