en_tn/act/02/08.md

Why is it that we are hearing them, each in our own language in which we were born?

Possible meanings are 1) this is a rhetorical question that expresses how amazed they were or 2) this is a real question for which the people wanted an answer. (See: rc://en/ta/man/translate/figs-rquestion)

in our own language in which we were born

"in our own languages that we have learned from birth"