Pint, bitter, G & T - Tradução em português

It's your round Alice.
Alice: What, again? Alright, what do you all want?
Helen: An orange juice please.
Michal: The same for me too.
Tim: Oh come on Michal, you're not in Poland now. Why not try a traditional pint of English bitter?
Michal: OK then.
Tim: And the usual for me - a G & T, love
Alice: Em, OK.
Helen: Don't call Alice "love".
Tim: Why not, isn't she lovely? Michal, what do you think?

O que quer dizer: ´It's your round Alice´, ´pint´, ´bitter´, ´ a G & T´?