This is the 8298th most frequent Russian word.
мельбурне
"Мельбурне" is not a standalone word; it seems to refer to "Мельбурн" (Melbourne), a city in Australia.
Here, 'Мельбурне' is the locative case of the noun 'Мельбурн' used to express a static location.
Я живу в Мельбурне.
I live in Melbourne.
In this sentence, 'Мельбурне' again indicates a location, this time associated with a description of the season there.
В Мельбурне сейчас лето.
It is currently summer in Melbourne.
Here, 'Мельбурне' denotes the place where an action (event happening) will occur.