加利福尼亞川流不息的車流使空氣中充斥著污染物。A steady stream of California traffic clogs the air with pollutants.家禽身上發(fā)現(xiàn)的污染物，在禽蛋里也會(huì)有。Contaminants found in poultry will also be found in their eggs.多數(shù)城市都會(huì)產(chǎn)生各種物質(zhì)混雜的污染物。Most cities generate a compl...