deforestation

n.砍伐森林

defile, defilement, definable, define, definite, definite article, definitely, definition, definitive, definitively, deflate, deflation, deflationary, deflect, deflection, deflower, defoliant, defoliate, defoliation, deforest, deform, deformation, deformed, deformity, defraud, defray, defrayal, defrock, defrost, deft, deftly, deftness, defunct, defuse, defy, deg, degenerate, degeneration, degradation, degrade,