Install apertium-bel-rus by entering the following commands in the terminal:
sudo apt update sudo apt install apertium-bel-rus
Description:
Apertium translation data for the Belarusian-Russian pair
Data package providing Apertium language resources for translating between the Belarusian and Russian languages.
Homepage: http://apertium.org/
Version: 0.2.0~r81186-1
Section: universe/science