Translate languages with Crow Translate
Crow Translate is a simple and lightweight translator that allows to translate and speak text using Google, Yandex and Bing.
To install Crow Translate on Kubuntu 20.04 go to the Github page of Crow Translates Debian releases and select the one ending in amd64.deb. After downloading you can click on the file and choose "Open with Discover" to install the program via Discover.
After installation you can find Crow Translate by searching in the application menu or by navigating to Menu/Applications/Internet.