It’d be useful if we could long press or click on a word on the record/playback screen to get a link to Wiktionary’s pronunciation guide for that word. For example:
https://en.wiktionary.org/wiki/example#Pronunciation
This would make it easier to both add new sentences and review existing ones. Voice volunteer eyeballs on Wiktionary pages is likely to be a good thing for them too, and with enough coverage it could make an additional source of recording data. Everyone’s a winner!
Edit:
I’ve added this to GitHub as a feature request: