I have no doubt that we are polluting the environment beyond redemption.我丝毫都不怀疑我们对环境的污染是不可挽回的。the exhaust fumes that are polluting our cities污染我们城市的废气It is less polluting than power stations fuelled by oil, coal and gas....
It is less polluting than power stations fuelled by oil, coal and gas.比起以石油、煤和天然气为燃料的发电站来说，它的污染要小。the exhaust fumes that are polluting our cities污染我们城市的废气The judge levied a ten thousand dollars fine against the factory f...