SmoggyweatherstruckthenorthofChinaoverandoveragain,itha...
问题详情：SmoggyweatherstruckthenorthofChinaoverandoveragain,ithadagreateffectonourlifeandhealth.Airpollutionactualjumpedtoalarminglevelslastmonth,accordingtothe weatherreport.Asaresult,wealwaysbecamec...