Theenvironmentpollutionismoreandmoreseriouslytoday.Weha...
問題詳情:Theenvironmentpollutionismoreandmoreseriouslytoday.Wehavenocleanwatertodrinkitbecauseofwaterpollution.Andwhentreescutdown,someanimalsdisappear.Therewasmoreandmoredirtysmokeintheair.People'she...