。
段，档次; 3.壁架，托架
vt. 1.把…置于括号内; 2.把…归入同一类
A: Billy is always bragging about his success.
B: Ah, he is still young, be patient with him.
brag
v. 自夸，吹嘘
A: Would you like a brandy?
B: No, thanks. It is too early for a drink.
brandy
n. 白兰地酒
A: What happened to Peter? I see that he broke his arm.
B: Oh, he got into a brawl on the street last night.
brawl
n./vi. 争吵，打架
A: Why are you home from work? It is early.
B: I could not stand it anymore and was forced to breach my contract.
breach
n. 1.破坏，违反;2.(关系的)破裂，不和; 3. 缺口,裂口
vt. 1.攻破, 在…造成缺口; 2.破坏，违反
A: Sorry I am late, there was a breakdown on the road.
B: Not to worry, the class has not started yet.
breakdown
n. 1.垮台，破裂；2.(健康，精神等)衰竭，衰弱; 3.(机器等的)损坏，故障; 4分类
A: Finally, a breakthrough in my science experiment.
B: Great, all your hard work has finally paid off.
breakthrough
n. 突破，突破性进展，重要的新发现
A: Will you put the tea on to brew please?
B: Sure, in a few minutes.
A: After failing the exam he brewed for four days.
B: And is he feeling better now?
A: Is this a strong brew?
B: No, it is fairly weak.
brew
vt. 1.酿造（啤酒）; 2.冲泡(茶,咖啡等)
vi. 1.(茶,咖啡等)冲泡; 2.酝酿，行将发生
n. 冲泡(或酿造)的饮料
A: I was offered a bribe to give my students better marks in their exams.
B: I hope that you did not accept it.
B: Tell me, why did you break into the bank?
B: I was bribed into it.
bribe
vt. 向…行贿，买通
n. 贿赂，行贿物
A: Where are the letter you were meant to post?
B: Oh, they are in my briefcase, but I left it at the office.
briefcase
n. 公文包,公事包
A: What was your childhood dream?
B: To become a member of the fire brigade
brigade
n. 1.旅(陆军编制单位); 2.队,组
A: The brim of your hat is covering your eyes.
B: That is because I don’t want anyone to notice me.
brim
n. 1.帽檐；2.(容器的)边,边缘
vi. 注满，充溢
brim over (with) 充满，洋溢
A: I was on the brink of leaving my job, but decided to stay.
B: What changed your mind?
brink
n. (悬崖，河流等的)边缘，边沿
on the brink of 濒临，处于…边缘
A: Slow down, stop walking so fast!
B: A brisk walk will be good for your health.
brisk
a. 1.轻快的，生气勃勃的; 2.兴隆的，繁忙活跃的; 3.寒冷而清新的
A: My paintbrush is too old to start the decorating.
B: I have one with better bristles if you want to borrow it.
bristle
n. 短而硬的毛发，刷子毛
vi. 1.被激怒，怒发冲冠; 2.毛发(因惊惧等)直立
bristle with 密集，充满，被布满
A: Don’t lean on the glass, it is very brittle.
B: Oops, sorry