en_tn_condensed/lev/07/19.md

Any meat that touches an unclean thing must not be eaten

"No one may eat meat that touches something unclean"

an unclean thing

Something that Yahweh has stated is unfit to touch or eat is spoken of as if it were physically unclean.

It must be burned

"You must burn it"

anyone who is clean

A person who is acceptable for God's purposes is spoken of as if the person were physically clean.