(1) 1) 保卫(护)，防御(守)(act of defend-ing against attack， harm， or challenge) [U][N(against)]：strengthen/plan the～of a country 加强/计划一个国家的防务;the～of civil liberties 保卫平民的自由权;during the～of Rome 罗马保卫战期间;a plan for～防御计划;offer no～against the robbers 对行劫者毫不防护;There was very little～when we attacked. 我们进攻时几乎没遇到什么反抗。fight in～of one's country 为保卫祖国而战;carry sticks for～手拿棍棒进行防卫; weapons of offence and defence 进攻和防守武器;～lines/works/systems/costs 防线/防御工事/防御系统/防御开支;〖同〗protection， preservation， guard; 2) 防务，国防(a country's armies， weapons and their activities) [U]：increase～expenditure 增加防务经费;～spending/costs 防务花费/费用;spend money on～在防务上花钱;～forces 防御部队;the Ministry of D～(BrE)/Department of D～(AmE) 国防部;

(2) 防御工事，防护物(anything(weapons， barriers， means， methods)used in defending or protecting) [C][N(against)]：～s built by an army 军队筑的防御工事;The～s of the town/the position/the enemy/the country are strong (weak). 城镇/阵地/敌人/国家的防御工事很坚固(薄弱)。coastal～s 海防工事;strengthen the～s on the borders加固边防线上的防御工事;Neutron weapons are a(n) (good/ideal)～against intruders/tanks. 中子武器是防御入侵者/坦克的(很好/理想)武器。Shields are a(n) (good/ideal)～against arrows. 盾牌是防御箭的(很好/理想)器具。Mountains are a good～against wind. 山是挡风的好屏障。Dikes are a good～against flooding. 堤坝是很好的防洪建筑。The castle had very strong～s. 这座城堡的防御工事十分坚固。He has no～against her charm. 他抵御不住她的魅力。

(3) 1) 辩护(白)，辩词((speech containing)arguments used to answer an accusation in a law-court or support an idea) [C， U][N(against)]：a strong/weak/good/successful/clever/brave～有力/无力/很好/成功/机敏/勇敢的辩护;the prisoner's/accused man's～囚犯/被告的辩护词;the historian's～历史学家的辩白;make/produce a～of sb为……辩护;conduct one's own～进行自我辩护; a counsel/lawyer for the～辩护大律师/律师; What is your～? 你有什么要辩白的? The judge heard the case for the～ (the～case). 法官审了那件辩护案。speak in～of justice/one's beliefs/one's action/a policy/freedom/the govern-ment's plans为维护正义/自己的信仰/自己的行动/一项政策/自由/政府的计划而辩白;say in～that 辩白说……;The article is a brilliant～of our policies. 这篇文章为我们的政策作了出色的辩解。〖同〗support， justification; 2) 辩护律师(lawyer(s) who defend(s) an accused person in court) [Gp， the～]：The～argue(s)that the evidence is weak. 辩护律师争辨说证据无力。The～rests (its case)/produced two new witnesses. 被告律师停止说明案情/拿出两件新的证据。

(4) 1) 防守(protection of a goal or part of the playing area from opponent's attacks) [U]：play in/for the～打后卫;〖反〗offence; 2) 后卫，守门员(members of a team that tries to prevent the opposition from scoring) [Gp， the～]：The English～was weak. 英国的后卫弱。bring sb in to strengthen the～让某人上场以加强后卫力量;break the～and score 突破后卫进球;3) 冠军争夺赛(sporting contest in which a champion is challenged) [C]：one's third successful～of the title 某人第三次卫冕成功;

← de′fend v;

→ de′fensible adj 可防御的;de′fensive adj 防御(性)的;de′fenceless adj 不设防的;无自卫能力的;de′fencelessly adv 不防御地;de′fencelessness n 无防护性