ixBrowser have a well documented API and I myself use it in BAS but only for creating new profiles, doing batch updates or loading cookies into the profiles. If you want to completely control the browser from BAS I don't think it's possible or at least you don't need BAS for it.
Need to write a script using requests to translate text in the deepl.com translator
-
-
https://community.bablosoft.com/topic/26221/translator
Have you tried it yet?