make (air, water, soil, etc.) dangerously impure or unfit for use; destroy the purity of (the mind)
"The industrial wastes polluted the lake"
She seems to think I'll pollute that class if I'm left alone with them.
出自： D. Cusack
Our water supply is becoming polluted with nitrates.
Parents are afraid that their children's minds will be polluted with the violence that they see on television.