This is what we call the dirty air what comes out of cars.怎么

This is what we call the dirty air what comes out of cars.怎么 this rushing motion of the air is( )we call wind What is about 20% of the air? What is the cause pollution of air? this is what we call a chain reaction还是this is what is we ca this is < >of the smoke and dirty water from cars and some f what is the meaning of this sentence-----------We are under dirty gas from cars and factories We find this in air or wat The solar system is just part of what we call the universe. what is your version of cars in the future what do we call air it is moving?翻译此句 What do we call the meat of these animals?