This is the 9084th most frequent Portuguese word.
bebem
"Bebem" means "they drink" or "you (plural) drink" in English.
In this sentence, 'bebem' is used to indicate a habitual action by a determinative subject (They). It is conjugated for the third person plural in the simple present tense.
Eles bebem água todos os dias.
They drink water every day.
Here, 'bebem' represents an occasional action tied to a context (at parties). It is also in the present indicative for the third person plural.
Quando estão em festas, eles bebem vinho.
When they are at parties, they drink wine.
'Bebem' in this example reflects a general statement about a group of people, with the simple present describing a recurring activity by the third person plural.