defile

v. 弄污，弄脏 n.（山间）小道

defender, defense, defensible, defensive, defensively, defensiveness, defer, deference, deferential, deferentially, deferment, deferral, deferrable, deferred shares, defiance, defiant, defiantly, deficiency, deficient, deficit, defied, defilement, definable, define, definite, definite article, definitely, definition, definitive, definitively, deflate, deflation, deflationary, deflect, deflection, deflower, defoliant, defoliate, defoliation, deforest, deforestation,