求翻译：我们生活的21世纪，由于大量工业化发展，工厂生产排出了大量废气、汽车拍出了大量废气、还有工厂废水等，严重污染了地球是什么意思？

We live in the 21st century, due to extensive industrial development, the factory produced a large number of gas exhaust, the car sold for a lot of gas, there are factory wastewater, serious pollution of the Earth

We are living in the 21st century, as a result of a large number, industrialized development factory exhaust, motor vehicle production emit a large amount had substantial emissions, such as waste water from factories, there is serious pollution of the Earth

We live 21st century, because the massive industrialization development, the plant production discharged the massive waste gas, the automobile has laid out the massive waste gas, also had the factory waste water and so on, has polluted the Earth seriously

We live in 21st century, because a large number of industrialization, factories emit a large amount of waste gas, car sold a large amount of waste gas, the factory waste water, and so on, have seriously polluted the Earth

We live in 21st century, because a large number of industrialization, factories emit a large amount of waste gas, car sold a large amount of waste gas, the factory waste water, and so on, have seriously polluted the Earth