defend

vt.保卫，防卫；为…辩护

defamatory, defame, default, defaulter, defeat, defeatism, defeatist, defecate, defecation, defect, defection, defective, defectively, defectiveness, defector, defence, defence (US defense), defenceless, defencelessly, defencelessness, defendant, defender, defense, defensible, defensive, defensively, defensiveness, defer, deference, deferential, deferentially, deferment, deferral, deferrable, deferred shares, defiance, defiant, defiantly, deficiency, deficient, deficit,