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BS是Brower/Server的缩写,客户机上只要安装一个浏览器(Browser),如NetscapeNavigator或InternetExplorer,服务器安装Oracle、Sybase、Informix或SQLServer等数据库。浏览器通过WebServer同数据库进行数据交互。BS最大的优点就是可以在任何地方进行操作而不用安装任何专门的软件。只要有一台能上网的电脑就能使用,客户端零维护。系统的扩展非常容易,只要能上网,再由系统管理员分配一个用户名和密码,就可以使用了。甚至可以在线申请,通过公司内部的安全认证(如CA证书)后,不需要人的参与,系统可以自动分配给用户一个账号进入系统。BS是建立在广域网的基础上的
臭臭的猪宝贝
BS是浏览器和服务器结构,一般指B/S结构,是WEB兴起后的一种网络结构模式,这种模式统一了客户端,将系统功能实现的核心部分集中到服务器上,简化了系统的开发、维护和使用。
BS的结构:第一层浏览器,只有简单输入输出功能,处理极少部分事务逻辑;第二层是WEB服务器,扮演着信息传送角色;第三层是数据库服务器,存放着大量数据。当数据库服务器收到WEB服务器请求,对SQL语句处理,将返回结果发送WEB服务器,转换为HTML文本发送浏览器。
扩展资料:
BS的优点
1、 B/S最大的优点就是可以在任何地方进行操作而不用安装任何专门的软件,只要有一台能上网的电脑就能使用,客户端零安装、零维护。系统的扩展非常容易。
2、由需求推动了AJAX技术的发展,它的程序也能在客户端电脑上进行部分处理,从而大大地减轻了服务器的负担;并增加了交互性,能进行局部实时刷新。
3、B/S结构主要利用了不断成熟的Web浏览器技术:结合浏览器的多种脚本语言和ActiveX技术,用通用浏览器实现原来需要复杂专用软件才能实现的强大功能,节约了开发成本。
参考资料来源:百度百科-BS
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1,ace: She is an ace dancer. 就是牛X的意思啊。 2,all-nighter: I felt very tired after an all-nighter. 通宵。 3,beemer: That girl is driving a beemer. BMW, 宝马。气人的是,我们停车场里一辆牛款beemer的主人不是官最大的,当然不是最有学问的,而是一个有钱人的小千金。 4,booze: I'm going to bring a bottle of booze to your party. 酒 5,bummer: 坏事,不好的方面。别人要跟你说开车撞了电线杆子,你就要说 Oh, bummer!一表感同身受。 6,chicken: He is really a chicken. 弱人 7,cool: 港片里的“酷”啊,用得实在多。 8,cop:That crazy driver was pulled over by a cop. 警察,可不要当面叫啊,当面叫"ShuShu". 9,couch patato: My roommate is a couch patato. 喜欢长时间坐那看电视的懒蛋。 10,deep pockets: I don't want to buy it, it's for people with deep pockets. 富鬼。 11,flip side: Don't watch the flip side, it's too personal. 另一面,反面 12,foxy: Look at that foxy lady! 性感撩人的 13,nuke: That country is working seriously on nukes. 北韩,说你呢。 核弹。 14,pain: That's a pain in the neck. 烦人的, 15,psycho: That psycho scared me. 说人“有病” 16,rock: You wanna your coke on the rocks? 冰块, 注意介词 17,shot: Do you wanna another shot? 试试 18,yukky: That dish was yukky. 难吃 19,get it: Did you get that joke? 搞明白 20,glitch: We shut the pc down since there was a glitch. 小毛病,比如以前电脑里的一些莫名其妙的东西经常搞死机子。 21,goofy: They were worrying about their goofy kids. 傻,不懂事,顽皮 22,grand: Give me two grands and the car will be yours. 一千大洋 23,groovy: His Mom made some groovy art. 有品位的 24,gross: 恶心 25,guts: 胆量 26,vibes: I have bad vibes about that person. 对别人感觉如何的“感觉”。 27,up: He has been up since married. 高兴。“七喜”的英文是啥来着? 28,veg: He veg out in front of TV all the time. “菜”在那不动 29,好吃叫“yummy".鬼子喜欢听好话,他们要做点啥请你吃你可一定要装一装说”yummy". 30, fishy 可疑的。 That sounds fishy. 31, drag 没劲的事 It's such a drag to deal with them again and again. 32, roll 走,离开。(今天还听一人说Ready to roll?来着) Are you ready to roll? Let's roll. 33, nuts 疯 Are you nuts? The trafic drives me nuts. 34, freak out 紧张害怕 Don't freak out if cops pull you over. 35, rip off 骗了(钱了) I realized I was ripped off after payed $200 for these shoes. 36, bug 讨厌 Stop bugging me with your plan. I won't do it with you37 shrink =A psychotherapist 心理医生 38 airhead =A silly, rather unintelligent person. His girlfriend is an airhead. 39 a-yo 比较随便的打招呼,近似于"What' up?" "Hey!" 40 buzz 打电话 Give me a buzz when you reach home. 41 bread =money. breadwinner 养家的人 42 booty 屁股 Check out her booty! 43 boob 乳房 44 cheesey 很没品味,很土=cornyThe gift I receieved from Ryan is cheesey. 45 cig cigarette的缩写 You got a cig? 46 crap =nonsenseWhat he said is crap. Don't believe a word of it. 47 f-u-c-ked up 可以表达很多意思,比如“糟透了,笨死了” You are pretty f-u-c-ked up. 48 freaky =weird He's a freaky guy.=He is a freak. 49 flick =movieThat was a good flick. 50 get on (one's) nerves =to annoy You really get on my nerves. 51 goof 笨蛋 goofy=silly 52 hang out (和朋友)出去消遣 53 hooker 妓女 54 hot 迷人Man, that girl was hot!She is such a hottie! 55 juicy 桃色八卦的 a juicy scandal 56 jerk 粗蠢之人 57 jerk off =to masturbate 48 jackass “公驴”,说人就是“蠢驴”的意思, MTV台就有一档叫JACKASS的节目,专门表演一些无聊又愚蠢的玩意儿逗乐 49 pimp 拉皮条的 50 puke =vomitThere's puke on the floor. 51 pussy =vagina 52 redneck (美国的)乡巴佬 53 sassy =styling. 时髦的Those clothes are sassy! 54 nifty 棒,一流的 Here's a list of all-around nifty things that we've found over the years. 55 screw up =err;mess upThey screwed up that paint job. 56 suck 讨厌,烦人Final exams suck. 57 twisted = displeasing; MESSED UPThat's twisted! twisted mind 奇思异想;怪脑筋 58 meth Methamphetamine的缩写,即“冰毒” 59 tweaker =a person who uses meth 60 MDMA 摇头丸,也叫“Ecstasy”/“XTC” 61 pot =Marijuana;joint 大麻烟 62 crack 强效可卡因63 whiz 小便I just took a whiz. 64 gig =jobI just do these gigs as a cover. 65 dump 甩了某人(比如女朋友) 66 get high 爽一下Do you get high? 67 p-i-s-s off 68 get a crush on somebody 迷上某人 69 thirtyish = thirty something 三十多岁的 70 bent =angryIt's OK. Don't get so bent. 71 booze = alcoholHe promised to bring two bottles of booze to the party. 72 call =predictionThe weatherman made a good call about when the storm would come. 73 chintzy =cheapThat really was a chintzy present you got him. 74 cut out =leaveIt is late. I have to cut out. 75 dope -drugThere are a lot of dope dealers around here. 76 freebie 免费品The pillow was a freebie 77 get it =understandI listened to the joke twice, but I still don't get it. 78 grubby = unclean and untidyThose clothes are too grubby to wear to the party. 79 hairy =dangerousThat was a hairy plane trip. I am glad the storm is over.80 fag 是"faggot"的简写, 对同性恋男子的贬称 81 street smart 知道在城市生活该怎么处置一些事情,应该如何应付各种不同的情况,比如如何保护自己。 82 chill/chill out =relax 放松,休息Glad class is over! I'm ready to chill for the rest of the morning. I haven't had a chance to chill out these last few days, getting ready for school and all. 83 ditch 做名词用是指地上的沟; 做动词to ditch表示要离开某个人,因为你不想跟他在一起了;或表示要马上离开一个不想再呆的地方。It's too noisy. Let's ditch this place. 84 hit the spot 感到过瘾,觉得很痛快。比如你肚子饿了,吃得心满意足,就可以说That food really hit the spot. 85 big gun 大人物,对决策有重大影响的人The company's big gun quarterbacked the meeting about their revenue report. 86 quarterback 本意是美式足球的四分卫,做动词在可以表示"主持会议,或总管项目"The project leader quarterbacked the meeting. 87 lame 无聊,没意思,或者不合适的Don't give me any lame excuses next time I want to do something! 88 shot 是指什么东西坏了,或者人体的某个部位受伤了I think my engine is shot. This is not good. 89 damage 是指为某样东西或某个交易付的钱, 通常用"bad/not bad"来表示价钱高低The damage for renting the car is pretty bad. 90 choke 糟糕,失败的意思I think New York is going to lose. Knowing them, their going to choke. 91 money 保持高水平,非常棒的意思Yao Ming is money. 92 hard headed =stubborn 顽固,固执 93 drained =exhausted 非常累 You are full of energy. But I'm drained, I'm going to sleep. 94 wired 一 精力充沛.After the next cup of coffee, I think I'm going to be pretty wired. 二 to be connected to something, such as being wired into the Internet, or being wired into a discussion. 95 kick back 休息,和某人一起玩It's a good time to just kick back and relax. 96 one track mind 意思是脑子里光想一件事Geez, you have such a one track mind sometimes. 97 ticked off 为了什么事情生气Crossing the streets in New York and Washington is dangerous. But getting ticked off about it won't do you any good. 98 close call 差一点没发生的倒霉的事,或是差一点完不成的该做的事 99 goof off (年轻人)一些无聊的事开玩笑No more goofing off!100. poop --To defecate 拉屎昨天Fox台the 55th Emmy Awards Ceremony上,就有人说pooped his pants 101. liplock 接吻 Madonna 和 Britney 那个French kiss大家都看见了吧 102. snoozer---something tedious or boring 使人打瞌睡的东西 103. sour-puss-----A habitually gloomy or sullen person 扑克脸 104 toss-up---- even chance 原意为抛硬币,引申为“对半开的机会” It is a toss-up whether he will win or lose. 105 pratfall---a comedy fall upon one's buttocks 屁蹲儿 105 pick-up line:a prepared opening line of conversation intended to get someone interested in having a causal sexual relationship. 不知道中文里面又没有对应的词,我头一回听说这个词是看Will & Grace, Grace抱回一只小狗结果Will着了魔,吃饭睡觉都舍不得放下狗狗,Grace明白Will同志是太寂寞了,于是劝他go on a date,Will很不自信,她就鼓励道 You still have a pick-up line. 106 poofter/pooftah/poufer: (Derogatory) 1. a male homosexual. 2. an effeminate male. --adjective 3. homosexual. 对男同性恋的贬称,尤其是对sissy的男同,我看过一个澳大利亚电影Head On,里面一个被激怒的的父亲对女装打扮的儿子就用了这个词儿。同意词还有pansy 107 party animal: 1. a person who parties hard. 2. a person who is always going to parties. 派对动物 108 party pooper: a person who has a discouraging or depressing effect, especially at a party. 冷场人物109, on the money 正正好。比如说,两条线正好重叠,扔出去的东西击中目标等。110, sabbatical 这个不太是俚语。通常指老师或教授的带薪的长假。 111. nerd If you call someone a nerd, it means you think he is weird and not cool.A typical nerd is someone who wears glasses and carries a lot of books. As a matter of fact, when I was growing up, a lot of kids called me a nerd because I didn't fit in. 112. cheesy 就是很俗气,质量很次,很愚蠢。人们经常用cheesy 这个词来形容电视节目,电影或者某个人说的话。Cheesy means tacky or dumb. It's usually used to describe a TV show, movie, or something someone says. I think the new TV soap opera on Channel 6 is so cheesy. It is fake and the things they say on the shows are so weird. I don't know why these shows are so popular. 113. wimp 软弱的人,胆小鬼,或者是怕痛的人A wimp is a weak person, a coward, or someone who can't take pain. 114. guts 勇气You only had enough guts today because I was here to support you. Usually you are a wimp! 115. take a hike -----to tell someone to leave, or to tell someone to leave you alone. If I were you, I would have told him to take a hike. 116. blow off--取消约会,或者是不做自己不想做的事Bob and I did make plans to go out last night. But he blew me off. He decided to go out with his girlfriend. It wasn't the first time he blew me off. There are some things in life you just shouldn't blow off. 117. uptight----tense, irritable, or unable to relax. Sometimes if I feel a bit uptight, I have a few beers. That helps me relax. 118. busted ------做坏事被抓到 The police just busted someone for trying to steal my neighbor's car. 119. creeep ---A creep is someone who looks and acts in a way that makes people suspicious and uncomfortable. He was always frowning, and wouldn't say hello to people. That's one reason I thought he was a creep. 120. wasted----喝得大醉Last night a friend and I went out to a bar and got wasted, so I don't feel very good right now. We were so wasted that we couldn't even stand up straight. 121.to get a kick out of something-----为某件事感到很高兴I said you get a kick out of watching me suffer. That means, you enjoy watching me suffer. 122. whatever 表示说话的人对对方说的话很不以为然 123 peanuts 数量很小,价值很低A:How much money do you earn as a teaching assistant, if you don't mind my asking?B:Eight dollars? That's peanuts! 124. laid back: 形容一个人个性比较随和,不会轻易发脾气Wanted: friendly, laid back female roommate to share a two bedroom apartment. 125. to play hooky: 逃学,或者装病不去上班I may play hooky once in a while, but I usually study hard. 126. to snap at somebody: 对某人嚷嚷,很生气地对某人说话I'm sorry, Mikey. I didn't mean to snap at you. It's just that right now I'm so stressed. 127. chip in: 凑钱买什么东西,或者是凑钱付大家一起吃饭的钱The guys and I usually each chip in a few dollars when we go out for pizza on Friday nights. 128. snail mail:通过邮局寄的信Ever since e-mail became popular, people have used "snail mail" to talk about paper mail, because it is slower than e-mail. Everyone is so busy nowadays, no one seems to have time to write snail mail anymore. 129. to rule: 很棒 I said I rule the pool table. That means that I dominate the game.I can defeat anyone. Chinese food rules! 130. to blow one's money on something: 把钱都浪费在了某样东西上 When we were at the mall the other day, you blew a whole week's pay on shoes131 techie 技术专家,尤指电子电脑方面的高手 132 honcho 上司,老板 133 weirdo/weirdie/weirdy 怪人 134 mumbo jumbo: speech one doesn't understand 135 sleep around: have sex with many people He's never at home because he sleeps around so much. 136 funky:strange; weird 137 indie film: 独立电影 138 fool around: play around; kill time 游荡;鬼混 139 p-u-s-s-y: a physically weak person; wimp 140 high-maintenance: 费钱费工夫的He considered beautiful girls too high-maintenance.
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