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1、back n.C背部，后面 adv.向后，回(原处) adj.后面的 v.(使)倒退：Ill be back in a minute. 我马上就回来。/ Lets try knocking at the back door. 咱们敲后边的门试试。【短语短语】at back of 在后面 / at the back of 在的后面(范围之外)；在的后部(范围之内) / in the back of 在后部 / back to back 背靠背bad adj.(worse, worst)坏的，不正确的；使人不愉快的；严重的：Hes got a bad cold. 他得了重感冒。/ Smoking
2、is bad for health. 抽烟对身体有害。badlyadv. (worse, worst)坏地，恶劣地：I slept very badly last night. 昨天夜里我睡得很不好。/ He spoke badly of his boss. 他说他老板的坏话。【用法用法】在口语中，可用于表示“迫切地”、“非常”，通常与 want, need, be in need of 等连用：He wants to come badly. 他非常想来。bag n. C书包，提包，袋子：a shopping bag 购物袋baggage n. U(美)行李：They examined all
3、 baggage at the airport. 他们在机场检查了所有行李。【用法用法】不可数，没有复数形式，也不能与不定冠词、数词以及 many, few, a few, several 等词连用。若要表示行李的具体数量, 可用单位词 piece (article)：five pieces articles of baggage 五件行李bake v.烤，烘，焙：baked chicken 烤鸡肉ball n. C球；舞会：He passed threw the ball to me. 他把球传给了我。balloon n. C气球：He crossed the river in a ball
4、oon. 他乘气球过河。banana n. C香蕉：a banana 一根香蕉 / three bananas 三根香蕉bank n. C银行，(河，海湖的)岸，堤：He lives on the south bank of the river. 他住在河的南岸。/ He put his money in the bank. 他把钱存入银行。bargain n.C协议，合同；(经过讨价还价之后)成交的商品，廉价货 v.议价，讨价还价；提出条件：Its a real bargain. 真便宜。/ Thats Its a bargain. 就这么说定了(或一言为定)。/ If you bargai
5、n with them they might reduce the price. 你讲讲价，他们可能会把价钱降低。base n.C基础，基地，根据地 vt.基于，以作根据：This news report is based on fact. 这篇新闻报导是根据实际情况写成的。basic adj.基础的，基本的：Now I have a basic understanding of the matter. 现在我对这事有了基本的了解。basinn.C脸盆，水盆；流域：Go and get a basin of hot water. 去弄盆热水来。/ The Amazon Basin is ver
6、y large. 亚马逊河流域很大。basket n.C篮子：a wastepaper basket 字纸篓basketball n. C篮球 U篮球运动：Lets go and play basketball. 我们去打篮球吧。/ This basketball is better than that one. 这个篮球比那个好。bath n. C洗澡；澡盆 v. 洗澡，给(孩子)洗澡：He had a bath and then went to bed. 他洗了个澡，然后睡觉了。/ I usually bath at night. 我通常晚上洗澡。bathe v.浸，洗，(在河或海里)洗浴
7、，游泳 n.(用单数)游泳：Tears bathed his cheeks. 他泪流满面。/ Will you help me bathe the baby? 你能帮我替孩子洗澡吗? 【辨析辨析】bath 与 bathe：前者主要指在室内“洗澡”，后者则通常指到室外的河里或湖里等去游泳：go for a bathe 去游泳bathroom n.C浴室，(美)厕所，澡堂：The bathroom is upstairs. 洗澡间在楼上。/ She went into the bathroom and took a shower. 她到浴室去淋浴。battle n.C战斗，竞争 v. 战斗，作战，
8、竞争：He has proved his courage in battle. 他已在战斗中证明了自己的勇气。/ The sailors battled with the winds and waves.水手们与风浪搏斗。bev.(am, is, are, was, were, being, been)是；在；成为beach n.C海滩，(海，河，湖等)滨：The children are playing on at the beach. 孩子们在海滩玩耍。/ I spent a day on at the beach. 我在海滩上度过了一天。bear n.C熊 v.忍受；载运，负荷；有，显示
9、；怀有；生(孩子)，生产(农作物或水果)：He was born of a wealthy family. 他出身富门。/ Different trees bear different fruits. 什么样的树结什么样的果。【用法用法】1.用于 cant bear，意为“不能忍受”，其后接不定式或动名词均可：I cant bear living to live alone. 一个人独居我受不了。2.表示“出生”时，用 be born，其他过去分词用 borne：He was borne by an English woman. 他是一个英国妇女生的。beard n.C胡须，络腮胡子：He w
10、ears grows, has a long beard. 他留有长胡子。【辨析辨析】beard 指下巴上的“胡须”，moustache 指嘴上的“胡须”，whiskers 指腮上的“胡须”。【用法用法】a beard 指一个人的所有胡须，而不是指一根胡须；类似地，其复数形式 beards 指的是多个人的胡须，而不是指多根胡须。beat v.(beat, beaten)敲打，(脉，心脏)跳动，打胜，打赢：My heart beat fast at the sight of him. 一看见他，我的心跳就加快。/ He beat me in maths. 他的数学比我学得好。【辨析辨析】beat
11、 与 win：见 win。beautiful adj.美丽的，漂亮的，优美的：The scenery in the mountains is very beautiful. 山里的景色非常美。/ Thats a beautiful shot. 那一枪打得真准。beauty n.U美 C美人：She is really a beauty. 她的确是个大美人。because conj.因为，由于：He was angry because we were late. 他很生气因为我们迟到了。【用法用法】1. because 与 because of 不同：前者为连词，引导从句；后者为复合介词，后接名
12、词、代词或相当于名(代)词的成分(包括 what 从句)。2.不要将汉语中的“因为所以”直译为 becauseso。become v.(became, become)变得，成为；适合(某人)，与相称：She has become a doctor. 她已成为一名医生。/ This color becomes you. 这颜色适合你。【用法用法】其后不接不定式表示“逐渐”，可改用 come begin+不定式：He began came to like the girl. 他开始喜欢起这个女孩来。(不能用 became)bed n. C,U床，卧床，睡觉：She lay down on her
13、bed. 她躺在床上。【用法用法】1.表示“睡觉”时，通常不用冠词或其他限定词；表示实实在在的“床”时，则可用。2.与介词 in, into, out of 等连用时，通常不用冠词：lie in bed 躺在床上 / get into bed 上床 / jump out of bed 跳下床bedroomn.C卧室：They have a large bedroom. 他们有一间大卧室。bee n. C蜜蜂：He is as busy as a bee. 他忙得团团转。beef n.U牛肉：The beef is overdone. 牛肉煮得太老。beer n.U,C 啤酒，一杯(一瓶)啤酒：
14、Would you like a (glass of ) beer? 您要不要喝(杯)啤酒? / Three beers, please. 请来三杯啤酒。before prep.在前面，在以前 conj.在之前 adv.以前：Knock on the door before you enter. 进屋之前要先敲门。/ I have never met him before. 以前我从来没有见过他。【比较比较】before long 不久以后 / long before 很久以前begin v.(began, begun)开始，着手：The bell rang for the lesson to
15、 begin. 开始上课的铃响了。/ Once you begin you must continue. 你一旦开始，便不可停下来。【用法用法】1.有时用于进行时态，表示“慢慢开始”、“逐渐”：He was beginning to miss her. 他慢慢开始想念她了。2.其后接不定式或动名词均可，含义基本相同：The band began to play playing. 乐队开始演奏。但是，当 begin 本身是-ing 形式时或后接表心理活动的动词时，则只能接不定式：He began to like poetry when he was a boy. 他还是孩子时就开始喜欢诗歌。beginning n. C开始，开端，起源：Of course thats only a beginning. 当然这只是一个开头。【短语短语】at in the beginning
