Hello! Getting the websites to translate to other languages is usually something where other teachers have found external tools to help out with, including Google Translate. This post has some good suggestions at the bottom for strategies that might be relevant: English Language Learners in the CS Classroom
Additionally, for Code Studio levels, Code.org has started incorporating the Immersive Reader tool, which includes a translation feature. Here’s an example of how you could use it for a level in Unit 2: