Do not pollute yourselves with any of these things, by which all of the nations, which I will cast out in your sight, have been contaminate
Other versions
King James Version
Defile not ye yourselves in any of these things: for in all these the nations are defiled which I cast out before you:English Standard Version
"Do not make yourselves unclean by any of these things, for by all these the nations I am driving out before you have become unclean,New International Version
"'Do not defile yourselves in any of these ways, because this is how the nations that I am going to drive out before you became defiled.