B baby [ˈbeɪbɪ] n. 婴儿back [bæk] n. 后面，背部，足球等的后卫 adv. 向后地；以前 v. 后退，支持at/on the back of 在......后面background[ˈbækɡraʊnd]n. 背景He’s always going on about his working class background.他老是谈论自己出身于工薪阶层家庭。Without knowing the background of the case, I couldn’t possibly comment. 因为不了解案件的背景情况，我不能加以评论。bad[bæd]a. 坏的；有害的；不利的；严重的be bad for 对......有害/不利bag[bæg]n. 书包；提包；袋子ball [bɔːl] n. 球balloon[bəˈluːn] n. 气球bamboo [bæmˈbuː]n. 竹banana [bəˈnɑːnə; (US) bəˈnænə] n. 香蕉bank [bæŋk]n. （河、海、湖的）岸，堤；银行baseball[ˈbeɪsbɔːl] n. 棒球play baseball 打棒球basic[ˈbeɪsɪk] a. 基本的basket [ˈbɑːskɪt; (US) ˈbæskɪt]n. 篮子basketball[ˈbɑːskɪtbɔːl] n. 篮球play basketball 打篮球bathroom[ˈbɑːθruːm] n. 浴室be [biː](am,is,are,was,were)v. 是（原形），成为beach [biːtʃ] n. 海滨，海滩bean n. 豆，毫无价值的东西bear [beə(r)]（bore,born） n. 熊；粗鲁的人 v.忍受，具有，结果实beat(beat, beaten) [biːt] v.n. 敲打；跳动；打赢；（音乐）节拍He beat his son for telling lies. 他因他儿子说谎而打了他。beautiful [ˈbjuːtɪf(ə)l] a. 美丽的，美观的because [bɪˈkɔz; (US) bɪˈkɔːz] conj. 因为because of (接名词或者名词词组) 因为......He begs because of poverty, not hunger. 他不是因为饿了，而是因为贫穷才要饭的。because后接句子。become(became, became) [bɪˈkʌm] v. 变得；成为The custom has now become a rule. （那个习俗现已变为成规。）bed [bed] n. 床bedroom[ˈbedruːm] n. 寝室，卧室beef[biːf] n. 牛肉before[bɪˈfɔː(r)] prep.ad.conj. 在……以前；在……前面；以前 在…..之前before long 不久以后Before long ,news came that China lost the game. 不久以后传来消息说中国队比赛输了。the day before yesterday 前天He went to see his grandmother the day before yesterday. 他前天去看望他奶奶了。long before 很久以前She said she had seen the film long before. 她说很久以前就看过这部电影。begin(began,begun) [bɪˈɡɪn] v. 开始，着手 近义词辨析：begin/start二者都表示“开始”后面可以接不定式或动名词，一般可以互换使用。区别是：begin 侧重于时间上一个过程的开始；start 侧重于形态上的开始，通常指由到静到动的过程。The meeting will begin at seven o’clock. （会议将在七点开始。） beginning n.开端；起点；起源 at the beginning of 在......的开始begin with 以......开始behind [bɪˈhaɪnd] prep.ad. (表示位置)在……后面 在后面；向后believe [bɪˈliːv] v. 相信；认为I believe what you say. （我相信你说的话。）bell [bel] n. 钟，铃；钟（铃）声；钟形物below[bɪˈləʊ] prep. 在……下面beside [bɪˈsaɪd] prep. 在…..旁边；靠近besides prep.&adv.除……之外；此外近义词辨析：except/besidesexcept 除……之外；侧重整体除去一部分We all knew about the news except Jim. 除了Jim以外，我们都知道这个消息。（不包括Jim）besides 除……之外（还有）We all knew about the news besides Jim. （包括jim）best n.a. 最好的人，最好的事物；最好的better n./a 较好者。较好的between [bɪˈtwiːn] prep. 在（两者）之间，在……中间big[bɪɡ] a. 大的bike=bicycle[baɪk] n. 自行车bill[bɪl] n. 帐单；法案，议案；（美）钞票，纸币bird[bəːd] n. 鸟birth [bəːθ] n. 出生；诞生birthday [ˈbəːθdeɪ] n. 生日biscuit[ˈbɪskɪt] n. 饼干bit [bɪt] n. 一点，一些，少量a bit 一点儿black [blæk] n.a. 黑色；黑色的blackboard [ˈblækbɔːd] n. 黑板blind [blaɪnd] n. 瞎的block n. 街区blood n. 血，血液blouse n. （女士）短上衣，衬衫blow(blew, blown) [bləʊ] v. 吹；刮风；吹气It was blowing hard. 天刮着大风。blue [bluː] a. 蓝色board [bɔːd] n. 木板；布告牌；委员会；（政府的）部boat [bəʊt] n. 小船，小舟body[bɔːdi] n. 身体book [bʊk] n.书籍 ；著作；本；册bored a. 无聊的，无趣的boring[`bɔrɪŋ] a. 乏味的；无聊的born[bɔːn] a. 出生be born 出生于borrow [ˈbɔrəʊ] v. （向别人）借用；借borrow …from… 向......借入......lend…to 把......借给......Tom always borrows money from others .（汤姆总是跟别人借钱。）boss [bɔs] n. 领班；老板both [bəʊθ] a.pron. 两；双；两者；双方both…and… ......和......都both of… ......两者都bottle [ˈbɔt(ə)l] n. 瓶子a bottle of 一瓶......bottom [ˈbɔtəm] n. 底部；底at the bottom of 在......的底部bowl [bəʊl] n. 碗a bowl of 一碗......box [bɔks] n. 盒子，箱子a box ofboy [bɔɪ] n. 男孩brain [breɪn] n. 脑子brave[breɪv] a. 勇敢的bread [bred] n. 面包；食物，粮食；生计a piece of bread 一片面包break(broke, broken) [breɪk] v 打破（断、碎）；损坏，撕开He fell and broke his leg.（他跌倒了，腿跌断了。）breakfast [ˈbrekfəst] n. 早餐have breakfast 吃早餐have…for breakfast 早餐吃......breathe v.呼吸；低声说breathe in/out 吸入/呼出bridge [brɪdʒ] n.桥bright [braɪt] a. 明亮的；聪明的bring(brought, brought) [brɪŋ] vt. 拿来，带来，取来bring sth to one's attention 使某人注意......bring sb. with 某人随身携带某物bring sth. for sb. 给某人带来某物She brought her friends to the party.（他带着朋友来参加聚会。）Britain n. 大不列颠British a. 英国（人）的brother [ˈbrʌðə(r)] n. 兄；弟brown [braʊn] n.a. 褐色，棕色；褐色的，棕色的brush [brʌʃ] v.n. 刷；擦；刷子We should brush our teeth twice a day.我们应该每天刷牙两次。build(built, built) [bɪld] v. 建筑；造Rome was not built in a day.伟业非一日之功。building [ˈbɪldɪŋ] n. 建筑物；房屋；大楼burn(-ed,ed/burnt,burnt) [bɜːn] v. 燃，烧；着火；使烧焦；使晒黑All his belongings were burnt in the fire.他所有的财物都已付之一炬。bus [bʌs] n. 公共汽车by bus 乘公共汽车on a bus 在公共汽车上at the bus stop 在公共汽车站business [ˈbɪznɪs] n. （本分）工作；职业；生意；交易；事业on business 出差busy [ˈbɪzɪ] a. 忙（碌）的be busy (in) doing something.忙着做……be busy with 忙于……She is busy doing her homework.她正忙着做作业。but [bət, bʌt] conj.Prep. 但是；可是；除了；除…之外buy (bought, bought) [baɪ]vt.买buy sb. sth./ buy sth. for sb. 给某人买某物by [baɪ] prep. 靠近；在…旁边；在…时间；不迟于；被；用；由；乘（车）
