![Asweallknow,peoplecouldn’tlivewithoutwater.Somepartsofo...]( "Asweallknow,peoplecouldn’tlivewithoutwater.Somepartsofo...")
- 问题详情：Asweallknow,peoplecouldn’tlivewithoutwater.Somepartsofourbodiesaremadeofwater.Wedependoncleanwatertoliveeveryday.However,wehumanbeingsarepollutingwaterseriously.InsomeareasofChina,peoplearestillingreatneedofcleanwater.Dirtywaterisoneofthewor...
- 24010
中文谷