It is not the inflammation of the brain itself, that's encephalitis; but sometimes they can occur together and when that happens it's called meningoencephalitis.

它不是大脑本身的炎症，不然就叫脑炎了，但有时候脑炎和脑膜炎会同时发生；当这种情况发生时，就叫做脑膜脑炎。