| 单词 | 以防 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔(just) to be on the safe side〕I'm sure it won't rain, but I'll take an umbrella (just) to be on the safe side (= to be ready if it does rain).我知道不会下雨，但是为了以防万一，我还是要带把伞。剑桥高阶〔DRY〕Cover the pastry with a damp cloth to prevent it from drying out. 在油酥面团上盖块湿布以防它干硬。朗文写作活用〔EXAMPLE〕Seat belts are supposed to prevent serious injury, but they didn't work in my case. 安全带本应可以防止受重伤，但就我的情况而言并没起作用。朗文写作活用〔FALSE〕He gave the clerk a false name and address in case the police were looking for him. 他给办事员假姓名和假地址以防警察找他。朗文写作活用〔IF〕I'm sure they haven't forgotten but let's send them a reminder just in case. 我肯定他们没忘掉，不过我们给他们寄一张提示卡，以防万一。朗文写作活用〔KILL〕Over two million sheep have been culled to prevent the spread of foot and mouth disease. 两百多万只羊被宰杀以防止口蹄疫的传播。朗文写作活用〔WEATHER〕Take an umbrella in case it rains. 带把伞，以防下雨。朗文写作活用〔against〕The police have to arm themselves against attack.警察必须得配备武器以防受到攻击。剑桥高阶〔amethyst〕Amethyst was believed by the Greeks to protect a person from drunkenness.希腊人认为紫水晶可以防止人喝醉。柯林斯高阶〔armament〕The fears have prompted several countries to embark on massive armament plans.几个国家开始实施大规模的军备计划,以防患于未然。柯林斯高阶〔before〕That dog ought to be destroyed before it attacks any more children.那条狗应该杀掉，以防它再伤害更多的孩子。朗文当代〔behind〕The troopers followed behind, every muscle tensed for the sudden gunfire.骑兵尾随其后，精神高度紧张以防突袭。柯林斯高阶〔break〕Shake the snow off the branches to prevent them from breaking.摇掉树枝上的雪以防树枝折断。麦克米伦高阶〔case〕I'll make some sandwiches, just in case we get hungry later on.我会做些三明治，以防一会儿我们肚子饿。麦克米伦高阶〔case〕It may rain; you'd better take an umbrella in case.可能要下雨;你最好带把伞,以防万一。英汉大词典〔case〕Keep a torch handy just in case there's a power cut.放一个手电筒在手边, 以防停电。外研社新世纪〔case〕Take an umbrella in case it rains.带上雨伞以防下雨。麦克米伦高阶〔case〕Take some money, just in case.带一些钱, 以防万一。外研社新世纪〔case〕You probably won't need to call—but take my number, just in case.你很可能无需打电话，不过还是记下我的电话号码吧，以防万一。牛津高阶〔char〕The chops should be cooked over moderate heat to prevent excessive charring.排骨要用中火炸以防炸糊了。外研社新世纪〔close〕I closed my eyes against the bright light.我闭上眼睛以防强光的照射。牛津高阶〔crupper〕A leather strap looped under a horse's tail and attached to a harness or saddle to keep it from slipping forward.牵鞍兜带：穿过马尾下面的一皮革圈套，用来扣紧马具或马鞍以防止它向前滑动美国传统〔dental hygiene〕The practice of keeping the mouth, teeth, and gums clean and healthy to prevent disease, as by regular brushing and flossing and visits to a dentist.口腔卫生：通过经常刷牙、去牙斑、看病等措施保持口腔、牙齿和齿龈的清洁和健康，以防止疾病的行为美国传统〔dental〕Proper dental care can prevent tooth decay.适当注意牙齿卫生可以防止龋齿。英汉大词典〔divide〕This part of the field was divided off with a fence, to keep the cows in.这块田用篱笆拦起以防牛跑出。英汉大词典〔dose〕He dosed himself with medicines to stop the cold from getting worse.他服药以防止感冒恶化。英汉大词典〔dribble〕This protects the sheets when the baby dribbles.这可以防止婴儿流口水时把床单弄脏。外研社新世纪〔encrypt〕Computer Science To scramble access codes to (computerized information) so as to prevent unauthorized access.【计算机科学】 加密，译成密码：扰乱（计算机存储信息）存取密码以防止非法侵入美国传统〔escape〕The lid prevents the escape of poisonous gases.这盖子可以防止毒气的泄漏。朗文当代〔evasive〕They took evasive action to avoid capture.他们采取规避的方式以防被捕。韦氏高阶〔event〕He left a letter for me to read in the event of his death.他留了一封信给我看，以防他万一去世。朗文当代〔exclusion〕A 20-mile exclusion zone was set up around the power station to guard against further explosions.发电厂周围设立了 20 英里的禁区以防再度发生爆炸。牛津搭配〔extra〕I got a few extra in case anyone else decides to come.我另外准备了一些，以防其他人也决定要来。朗文当代〔fallback〕They have a fallback plan in case the main backers pull out.他们有个应急备用计划, 以防主要赞助者撤资。外研社新世纪〔fence〕We fenced in the garden to keep the dog out.我们把园地用栅栏围起来以防范狗进来。21世纪英汉〔flooding〕The river banks have been built up to prevent flooding.河堤加高以防洪水泛滥。朗文当代〔glass sth in/over〕The manuscripts are now glassed over, to prevent them from being damaged.手稿现在罩上了玻璃罩，以防损毁。剑桥高阶〔greenmail〕Family control would prevent any hostile takeover or greenmail attempt.家族管理可以防止任何恶意收购或绿票讹诈的企图。柯林斯高阶〔handle〕I wanted someone who could handle a gun, just in case.我想找一个会使枪的人, 以防万一。外研社新世纪〔headlong〕The government is taking care not to rush headlong into another controversy.政府现在很谨慎，以防不慎陷入另一场争端。牛津高阶〔hedge〕She invests her money as a hedge against inflation.她将钱用于投资以防通货膨胀。韦氏高阶〔hedge〕You can hedge against redundancy or illness with insurance.可以购买保险以防失业或患病。柯林斯高阶〔identity theft〕It can prevent identity theft, where fraudsters apply for credit cards or buy goods using other people's names.这可以防止身份盗窃, 即防止骗子冒用他人姓名申请信用卡或购买商品。外研社新世纪〔inspect〕The candles are inspected for damage/defects before being packaged.蜡烛包装前进行了检查以防残损/瑕疵。韦氏高阶〔insulate〕Pipes may need insulating against the cold.管道可能需要隔热以防冰冻。朗文当代〔insurance〕At that time people had large families as an insurance against some children dying.那时人们养的子女很多，以防有孩子夭折。牛津高阶〔insure〕It is advisable to insure all oriental rugs against theft and damage.建议为所有东方地毯投保以防失窃和损坏。麦克米伦高阶〔jogging〕If you go jogging or cycling, vary your route and time so you can't be attacked.如果去慢跑或骑车, 要变换路线并增减运动时间以防遇袭。外研社新世纪〔keep back〕He kept back the smoke by covering gaps in the doors and air vents.他遮住门的缝隙和通风口以防烟雾进屋。外研社新世纪〔keep〕Hoe the garden to keep down the weeds.在花园里锄锄草,以防杂草蔓生。 英汉大词典〔measure〕New security measures were implemented to prevent further violence.实施了新的安保措施以防止更多暴力事件发生。牛津搭配〔net〕We netted the berry bushes to protect them from the birds.我们用网罩住这些浆果树以防鸟。麦克米伦高阶〔outpost〕A detachment of troops stationed at a distance from a main force to guard against surprise attacks.前哨：派驻在离主力部队很远的地带的支队以防敌人的偷袭美国传统〔penetration〕The exterior walls are three to three and a half feet thick to prevent penetration by bombs.外墙厚度为3至3.5英尺, 以防炸弹穿透。外研社新世纪〔periostracum〕The hard chitinous outer covering of the shell of many mollusks, especially freshwater ones, that protects the shell from the erosive action of water.角质层：许多软体动物，尤指淡水软体动物身体硬壳外包的一层物质，用以防止壳受水的侵蚀作用美国传统〔plan〕Plan ahead to avoid the pitfalls.提前计划好以防有意想不到的问题。外研社新世纪〔powder〕Powder the baby's bottom to stop it chafing.给婴儿的屁股上搽点粉以防磨痛。剑桥高阶〔precaution〕I took the precaution of turning the water supply off first.我先关闭了供水系统，以防万一。牛津搭配〔precaution〕You'd better take precautions in case there's an inspection.你最好小心谨慎以防检查。外研社新世纪〔prevent〕The accident could have been prevented.这次事故本来是可以防止的。牛津高阶〔protect〕A line of forts was built along the border to protect the country against attack.边界沿线构筑了碉堡，以防敌人进攻该国。21世纪英汉〔protect〕Many manufacturers have policies to protect themselves against blackmailers.许多厂家都购买了保险，以防遭到敲诈。柯林斯高阶〔provide against〕We should store extra supplies now to provide against a possible scarcity in the coming months.我们现在应该有一些额外的储备以防未来几个月可能出现的短缺。韦氏高阶〔return〕We locked the door in case Mary returned unexpectedly.我们锁上门，以防玛丽不期而归。牛津搭配〔safe〕I took some extra cash just to be on the safe side.我多带了一些现金，以防万一。牛津高阶〔shoe〕To cover with a wooden or metal guard to protect against wear.装防护物：装上木制或金属的防护物以防磨损美国传统〔shrink〕You should dry-clean curtains so that they don't shrink.窗帘要干洗, 以防缩水。外研社新世纪〔soil〕Planting trees will prevent soil erosion.植树可以防止水土流失。外研社新世纪〔sop〕It can prevent the water from sopping in.这可以防止水的渗透。21世纪英汉〔spray〕The chemical is sprayed onto the roof to weatherproof it.屋顶喷了这种化学制品以防水。麦克米伦高阶〔sprinkle〕Take your umbrella in case it sprinkles.把雨伞带着以防下小雨。英汉大词典〔stick〕Spray the pan with oil to keep the biscuits from sticking.往平底锅里铺些油以防饼干粘锅。韦氏高阶〔stuff up〕He stuffed the ventilator shafts up to stop the smoke from entering his room.他堵住了通风管道，用以防止烟气进入他的房间。21世纪英汉〔support〕To hold in position so as to keep from falling, sinking, or slipping.支撑：扶持以防止摔倒、下沉或滑倒美国传统〔treat〕The material has been treated with resin to make it waterproof.这种材料涂上了树脂以防水。剑桥高阶〔underlying〕Cars were covered with clear-coat finish to protect the underlying paint from fading.汽车都涂了一层透明罩漆, 以防底漆褪色。外研社新世纪〔wet〕I lay the painting flat to stop the wet paint running.我把油画平放以防止未干的颜料流动。外研社新世纪〔widen out〕They decided to widen out the river to avoid the flooding.他们决定加宽河流以防洪水泛滥。21世纪英汉〔wrongfully〕The criminal justice system is in need of urgent reform to prevent more people being wrongfully imprisoned.刑事司法体制亟须改革，以防止更多人蒙冤入狱。柯林斯高阶Bedridden patients are often given exercises to help prevent their muscles from becoming stiff.卧床不起的病人需常做锻炼动作以防肌肉僵硬。剑桥国际Biologists have learned that leeches secrete an anticoagulant to keep blood from clotting as they suck it from their victims.生物学家发现水蛭在从受害者身上吸血时会分泌出一种抗凝固剂以防止血液凝固。剑桥国际Bring a map in case (=because there might be a situation in which) you get lost.带张地图吧，以防迷路。剑桥国际Each needle is sterile and is disposed of after use to prevent the spread of infection.每支注射针都是消过毒的，用后扔掉，以防传染。剑桥国际Endangered species need to be kept secure from poachers.濒临灭绝的物种应受到安全保护，以防偷猎的人。剑桥国际Government troops are guarding key buildings in the capital against terrorist attacks.政府军队正在保护首都的重要建筑物以防受到恐怖分子袭击。剑桥国际I like to keep tabs on my bank account so that I don't overdraw.我喜欢留意我银行的帐目，以防透支。剑桥国际Our radio signals were routinely scrambled to prevent the enemy discovering our plans.我们的无线电信号经常地变换频率，以防止敌人发现我们的计划。剑桥国际She was always on the alert for some new calamities. 她总是保持警觉以防某种新的灾难。译典通Soldiers and civilians have been supplied with gas masks to protect them in the event of a poison gas attack.士兵和平民都发放了防毒面具以防毒气袭击。剑桥国际The army was brought in to try to prevent further bloodshed.军队被调入以防止进一步的杀戮。剑桥国际The bank has just increased its provisioning against bad loans.这家银行刚提高了准备金以防止贷款呆账。牛津商务The hospital gave him some ointment to stop the cut from becoming infected.医院给他一些药膏以防止伤口感染。剑桥国际The police are anxious to close any loopholes to prevent copycat crimes.警方急于堵塞一切漏洞以防止盲目模仿犯罪。剑桥国际The police roped off the playing field to keep back the crowd. 警察把比赛场地用绳子围起来，以防人群靠近。译典通This shampoo is supposed to stop you from getting dandruff.这种洗发香波可以防止头皮屑再生。剑桥国际Tuck your chair in (= put it so that the seat of it is under the table) so that no one trips over it.把你椅子推到桌下以防有人绊倒。剑桥国际We have banked up the river to prevent flooding. 我们已沿河筑堤以防河水泛滥。译典通We keep safety stock as a buffer against stock-outs.我们保持安全库存以防止商品脱销。牛津商务We've insured the car against fire, theft and accident.我们已为汽车投了保，以防备火灾、盗窃和意外事故。剑桥国际You should wash your hands before eating, to guard against disease. 你饭前应洗手，以防生病。译典通 |
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