![a polluted environment英语作文]( "a polluted environment英语作文")
- environmentalpollutionisaserioussocialproblem.itposesaterriblethreattomen’shealth.theatmosphereisfilthy.theairisthickwithdustandbuoil.darksmokesarebeingemittedfromchimneys,andchokingfumesarebeingreleasedfromnumerousvehicles.stayalittlewhileinabigcit...
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