This is the 14627th most frequent Russian word.
пережевали
"Пережевали" means "chewed again" or "re-chewed."
Here, 'пережевали' is used metaphorically to mean breaking down information into simpler terms for easier understanding.
Учитель не только объяснил новую тему, но и пережевали её для нас.
The teacher not only explained the new topic but also simplified it for us.
Here, 'пережевал' is used in its literal sense to mean chewing food thoroughly.
После обеда он долго пережевал грубую пищу.
After lunch, he chewed the coarse food for a long time.
In this context, 'пережевали' figuratively expresses a thorough discussion and analysis of a topic.