This is the 17789th most frequent Polish word.
zwiedzali
"Zwiedzali" means "they toured" or "they visited" in English.
Here, 'zwiedzali' is used in the past tense, third person plural, indicating that a group of people were touring an attraction.
Wczoraj zwiedzali muzeum pełne historycznych eksponatów.
Yesterday, they toured a museum full of historical artifacts.
In this sentence, 'zwiedzali' is used in a question in the past tense, third person plural, as part of a query about their experience.
Czy zwiedzali kiedyś tę piękną katedrę?
Have they ever toured this beautiful cathedral?
This is another example of 'zwiedzali' in the past tense, third person plural, describing an activity during their trip.