Asweallknow,peoplecouldn’tlivewithoutwater.Somepartsofo...
问题详情:Asweallknow,peoplecouldn’tlivewithoutwater.Somepartsofourbodiesaremadeofwater.Wedependoncleanwatertoliveeveryday.However,wehumanbeingsarepollutingwaterseriously.InsomeareasofChina,peoplearest...