en_tn/gen/08/07.md

raven

a black bird that eats mainly the flesh of dead animals

it flew back and forth

This means that the raven kept leaving the boat and returning.

until the waters were dried up

This can be stated in active form. Alternate translation: "until the wind dried up the waters" or "until the waters dried up" (See: rc://en/ta/man/translate/figs-activepassive)