тренировка

Said in one Russian podcast line.

• Но между собой тоже очень хорошая тренировка мозга.

  But it's also a very good brain workout among themselves.

  

  БеседыБеседа с Вадимом (Ingwall) Барановским

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Russian books and courses on Amazon (affiliate link).