关于家乡的大气污染 About The Air Pollution In My Hometown
05-22
Inmyhometown,theairispollutedseriously.However,inrecentyears,thepollutiongetsfrombadtoworse,becauseoftheincreasingnumberofprivatecars.Especiallyduringtherushhours,toomanyprivatevehiclesmoveslowlyonnar...