高考英语3500单词详解(B开头）
baby[5beibi] n.[C]婴儿 2.(作定语)小型，微型，婴儿用的：a baby car 小型汽车 / baby food 婴儿食物
bachelor[5bAtFElE] n. 1.[C]单身汉：He remained a bachelor all his life. 他做了一辈子单身汉。2.学士：bachelor’s degree 学士学位
back[bAk] adv. 回(原处)，向后：She walked away without looking back. 她头都没回就走了。adj.后面的：He came in by the back door. 他从后门进来。n.[C]背，后部：Let’s go round to the back. 让我们绕到后面去。
backache[5bAkeik] n.[C,U]背痛：suffer from (a) backache 患背痛
background[5bAkgraund] n.背景，幕后：I’ll need a bit more background information. 我需要再了解一点背景情况。
backward[5bAkwEd] adj.向后的，落后的：He is backward in his studies. 他功课落后。adv.向后地，相反地(=backwards)：Your hat is onbackwards. 你把帽子戴倒了。
bacon[5beikEn] n.[U]咸猪肉，熏猪肉
bacterium[bAk5tiEriEm] n.[C]细菌：Many bacteria cau dias. 许多细菌能致病。
【说明】通常以复数形式出现，复数为bacteria。
bad[bAd] adj. 1.坏的，不好的：Bad news has wings. (谚语)坏消息传得快。2.有害的：Smoking is bad for your health. 抽烟有害健康。3.腐烂的，变质的：Don’t eat bad fish. 不要吃腐烂的鱼。4.严重的：He has got a bad cold. 他患了重感冒。
【说明】为不规则副词，其比较级和最高级分别为wor和worst：I am bad at English, but she is wor. 我的英语不好，她的就更糟了。
badly[5bAdli] adv. 1.不好地，恶劣地：She did badly in the exams. 她考试成绩很糟。2.大大地，严重地：The bridge was badly damaged by the flood. 桥被洪水损坏得很严重。3.非常，极度：He wants to go abroad badly. 他非常想出国。/ She was badly hurt when she fell from the ladder. 她从梯子上跌下来，伤得很厉害。
【说明】为不规则副词，其比较级和最高级分别为wor和worst：He did wor than you. 他比你做得更糟。
badminton[5bAdmintEn] n. [U]羽毛球：The kids are playing badminton. 孩子们在打羽毛球。
bag[bAg] n. [C]书包，提包，袋子：She carried the bag upstairs. 她把袋子扛到了楼上。
baggage[5bAgidV] n.[U]行李：How much baggage do you have? 你有多少行李?
【说明】不可数名词，要表示几件行李，要借助piece：I have five pieces of baggage. 我有5件行李。
bake[beik] v.烤，烘(面包)：She bakes fresh bread every morning. 她每天早上都烤新鲜面包。
bakery[5beikEri] n. [C]面包店(房)
balance[5bAlEns] n.1.[U,C]平衡：I found it hard to keep my balance on the icy path. 我
觉得在结冰的路上保持平衡很困难。2.[C]天平：Will you weigh it in the balance? 你用天平称一称好吗？
balcony[5bAlkEni] n.[C]阳台：You can e the a from our balcony. 你从我们的阳台上就能看到大海。
ball[bC:l] n. 1.[C]球，球形物：The earth is like a ball. 地球是个球状物。2.[C]舞会：Men and women put on their best clothes to go to a ball. 男人和女人参加正式舞会时都穿上最好的衣服。
ballet[5bAlei] n.[C,U]芭蕾舞：I like opera but I’m not keen on ballet. 我喜欢歌剧，但不特别喜欢芭蕾舞。
balloon[bE5lu:n] n. [C]气球：Blow the balloon up. 把气球吹起来。
ballpoint[bC:lpCint] n. [C]圆珠笔
bamboo[bAm5bu:] n. [C,U]竹：a bamboo leaf 竹叶
ban[bB:n] n. [C]禁令：There is a ban on smoking in petrol stations. 加油站禁止吸烟。v.禁止，取缔：Smoking is banned in school. 在学校禁止吸烟。
【说明】1.用作名词时，其后通常接介词on，表示对某事的禁止。2.用作动词时，表示禁止某人做某事，通常用ban sb from doing sth：He was banned from driving. 他被禁止开车。
banana[bE5nB:nE] n. [C]香蕉：Are bananas sold by weight or at how much a piece? 香蕉是按重量出售, 还是按多少钱一根出售?
band[bAnd] n. 1.[C]带，绳，条形物：an iron band 铁箍 2.[C]群，帮，伙：a band of robbers 一伙强盗 3.[C](吹奏)乐队：a military band 军乐队 v.(与together连用)团结起来，联合在一起
bandage[5bAndidV] n.[C]绷带：a first-aid bandage 急救绷带 v.(用绷带)包扎：His hand was bandaged. 他手上缠着绷带。
bang[bAN] interj. 砰：Bang! Another firework flew into the air. 砰！又一枚烟花飞向天空。
n.[C]砰的一声：The door shut with a bang.门砰然一声关上了。v.猛敲，猛撞：They were banging on the door with their fists. 他们用拳头砰砰地猛敲门。
bank[bANk] n. 1.[C]岸，堤：We walked along the river bank. 我们沿着河岸行走。2.[C]银行：open a bank account 开存款账户
bar[bB:] n.1.[C]条，(长方)块，棒：a bar of soap 一条肥皂 / There is a bar on the gate. 门上有个门闩。2.[C]酒吧，柜台：There are veral bars in the hotel. 旅馆中有好几个酒吧。
barbecue[5bB:gikju:] n. [C]烤肉野餐：We had a barbecue on the beach. 我们在海滩上举行了烧烤野餐。
barber[5bB:bE] n.[C]理发师：Your hair’s getting rather long. It’s time you went to the barber’s. 你的头发很长，该去理发店了。
【说明】主要指为男人理发和刮胡子的理发师。为女人做发式的叫hairdresr(理发师，美
容师)。
bare[bZE] adj.1.赤裸的：Don’t walk on that broken glass with bare feet. 不要光着脚走在那些碎玻璃上。2.空的，无…的：a bare and barren land 不毛之地 3.仅有的：One bare word would be enough. 只要一句话就够了。
bargain[5bB:gin] n.1.[C]廉价买到的东西：I found a lot of bargains in the sale. 我发现大减价中有许多便宜货。2.[C]交易：We’ve made a bargain that he will do the shopping and I’ll cook. 我们讲定了，他买东西我做饭。v.讨价还价：We bargained with him about the price. 我们跟他讨价还价。
bark[bB:k] v .狗叫，吼叫：The dog always barks at the postman. 这只狗老朝着邮递员叫。n. [C]狗叫声：The dog next door has a very loud bark. 隔壁的狗吠声很大。
barrier[5bAriE] n. [C]障碍：The police put a barrier across the road. 警察设了路障。/ the language barrier 语言上的隔阂
ba[beis] n.1.[C]底，基础：The country needs a strong economic ba. 国家需要稳固
的经济基础。2.[C]基地，本部：That company has offices all over the world, but their ba is in Paris. 这个公司的办事处遍布全世界，但本部在巴黎。vt.根据，基于：This news report is bad on fact. 这篇新闻报导是根据实际情况写成的。
baball[5beisbC:l] n.[U]棒球：Baball is the national game of the US. 棒球运动是美国全民性的运动。
bament[5beismEnt] n.[C]地下室：She lives in the bament of the apartment hou. 她住在公寓的地下室。
