Ourenvironmentisn的精选

问题详情：Ourenvironmentisn’tasgreenandbeautifulasitshouldbe.Therearesteel(钢铁)monstersblockingoutthesun,blowingoutdangeroussmoke,andlettingoutpoisonouschemicalsintorivers,carsproducingharmfulwastegas...

问题详情：  Ourenvironmentisn’tasgreenandbeautifulasitshouldbe.Therearesteel(钢铁)monstersblockingoutthesun,blowingoutdangeroussmoke,andlettingoutpoisonouschemicalsintorivers,carsproducingharmfulwast...