(keskkonna kohta:) kahjustuma tööstuslike jäätmete, heitgaaside, heitvete vm ohtlike ainetega,mustuse, räpa tõttu (ohtlikult) ebapuhtaks, halvaks minema
inglise keelesbecome contaminated(about the environment:) to be damaged by hazardous substances of industrial waste, exhaust gases, effluents or the like,dirt,dirty (dangerously) to go impure, bad
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