Büyük şehirlerde hava kirlidir.
- The air is polluted in the big cities.
O, dünyadaki en kirli şehirlerden biridir.
- It's one of the most polluted cities in the world.
Okyanusun büyük alanları kirletildi.
- Large areas of the ocean are polluted.
Fabrikalardan gelen gazlar havayı kirletir.
- Exhaust from factories pollutes the air.
The factory polluted the river when it cleaned its tanks.
The lights from the stadium polluted the night sky, and we couldn't see the stars.