defensible (adj.) defenseless (adj.) defense (n.) defenestration (n.) defends v.防守；防护；辩护defending adj. 防御中的；防守型的 v. 防护；防卫；为……辩护；竞赛中保护（头衔）；防守（defend 的现在分词）defender (n.) defended v.防守；防护；辩护defendant (n.) defend (v.) defend vt. 辩护；防护 vi. 保卫；防守defence n. 防御；防卫；答辩；防卫设备defeminize (v.) defector (n.) defective (adj.) defection (n.) defecting n.缺点；缺陷vi.背叛defected n.缺点；缺陷vi.背叛defect (n.) defecation (n.)