Duolingo feature suggestion – Dual language learning

Step 1: Language learners can opt to enable dual language learning:

 

Step 2: Language learner can then proceed to multi-select the languages that they want to learn simultaneously:

Step 3: Sample learning content, accomodating data entry in two languages.

Another cool feature would be to disable the language identifier ( flags in left screen below), enabling users to more organically identify the language based on the clues.