"Dia beli bir dan anggur."

Translation: She buys beers and grapes.

[RickMcBrid2]

Not beer and wine?

[WayangOrang]

anggur = grapes, wine

[dkfour]

Beer is generally the plural of beer except in a few specific cases

[doubletops1]

This surely means wine

[MissPondihehe]

since when is this sentence a command?

[WayangOrang]

It's not a command.

'me-' prefix is often dropped (especially in everyday speech).