topsoil造句
Topsoilisapreciousresource,andwedon’thaveenoughtopsoiltoreplaceit.Withouttrees,Haitilostitstopsoilthrougherosion,cripplingagriculture.Irregularrainfallandlossoftopsoilmeansthatthelandproduceslessthan...
Topsoilisapreciousresource,andwedon’thaveenoughtopsoiltoreplaceit.Withouttrees,Haitilostitstopsoilthrougherosion,cripplingagriculture.Irregularrainfallandlossoftopsoilmeansthatthelandproduceslessthan...