O, dünyadaki en kirli şehirlerden biridir.
- It's one of the most polluted cities in the world.
Büyük şehirlerde hava kirlidir.
- The air is polluted in the big cities.
Kanalizasyon çoğunlukla okyanusu kirletir.
- Sewage often pollutes the ocean.
Petrol sızıntısı körfezi kirletti.
- The oil spill polluted the bay.
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.