Translation
Then I heard another voice from heaven saying, “My people, come out, come out of her,
to not
partake in her sins, and to not receive her plagues,
Paraphrase
Then I heard
another voice from God
saying, “O my people, do not imitate them in any way, do not associate with any of their sinful habits, so that you do not get drawn into participating in their sins, and thus receive the punishments they deserve.