A: You are not looking very well at the moment.
B: Yeah, I had a nasty bout of food poisoning last week.
bout n. 1. (疾病等的)侵袭，发作;2. 一次，一阵，一回; 3. 拳击(或摔跤)比赛
A: Doctor, I have been having some bowel problems lately.
B: Well, sit down and I will see what I can do.
bowel n. 1. 肠;2. [pl.]内部，深处
A: I enjoy bowling and usually play on Sunday afternoon.
B: I’d love to join you next week.
bowling n. 保龄球运动
A: The students set up a boycott outside the school gates.
B: Why? What was the problem?
boycott vt./n. (联合)抵制，拒绝参与
A: I broke my leg and had to wear a brace for two months.
B: That must have been very painful.
brace vt. 1. 使防备，使受锻炼;2. 支住，撑牢;3. 使绷紧
A: That is a beautiful bracelet that you are wearing.
B: Thanks, it was my grandmother’s.
bracelet n. 手镯，臂镯
A: Excuse me, sir, but should this sentence be put in brackets?
B: No, they are not necessary.
A: The bookshelves are falling down.
B: That is because you did not bracket them to the wall.
bracket n. 1. 括号;2. (年龄，收入等的)等级段，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