I also teach language courses; and while it is Medical Terminology, language is language.
My suggestion is to leverage the the video recording options available to both students and teachers in Canvas classrooms. The ability to hear language spoken, and practice speaking language is very necessary in language courses and helps replicate the interactive experience of the traditional classroom. You can provide videos you have created and assign video as a submission type for assignments and assessments. And, of course, Canvas also makes it very easy to upload and present video content from external sources such as You Tube and Vimeo. To further expand this functionality, external tools with greater editing capabilities can be easily integrated with Canvas. Tools like Panopto offer a very dynamic and rich suite of tools that are incredibly easy to incorporate into language instruction. Audio/video submissions can even be used in Canvas Quizzes providing yet another assessment option.
A synchronous conversational audio experience can also be created using the Conference tool available in Canvas; and, just as with AV recording functionality, Canvas also easily supports third party tool integrations such as Zoom.
Finally, the available Microsoft Immersive Reader is extremely valuable for language teaching and learning. Making it even more powerful for your needs, in includes five Chinese language translation options.
I hope this helps get you off to a good start.