In the lower left corner of the script, there is an icon for switching between the language versions of the bot:
You can add / remove a language that will be used in the bot in
Creating a script in one language, you need to switch to the next language version of the bot and make changes in the appropriate units, requiring translation.
For the convenience of users, untranslated text in script blocks is displayed in red.
When you open a block edit, all fields in the new language version will be empty:
After filling in the fields of the blocks, they are displayed in gray:
After making changes, you need to save the script for the edits to be applied.