bulb
bulb/bʌlb/n.［c］1.电灯泡：an electric bulb电灯泡；a flash bulb闪光灯；a neon bulb霓虹灯The light bulb (was) burned out.电灯泡烧坏了。2.球状物：the bulb of the eye眼球；the bulb o···
bulge
bulge/bʌldʒ/ I.n.［c］凸出部分，膨胀，鼓起：The apple made a bulge in his pocket.苹果把他口袋塞得鼓了起来。‖II.vi.& vt.（使）凸出，膨胀：His stomach bulged.他的肚子凸了出来。···
bulk
bulk/bʌlk/n.［u］1.(大的)体积，容积：a man of large (small) bulk身体魁梧(矮小)的人Great bulk does not mean great weight.体积大不等于重量大。2.(大)量：debts of enormous bulk巨额债务···
bull
bull/bul/n.［c］1.公牛，雄兽：bullfight斗牛(戏)；bullfighter斗牛士；bullring斗牛场2.买进证券(或商品)投机图利者：a bull market证券投机市场［辨析］与ox和cow辨见ox
bullet
bullet/ˈbulit/n.［c］枪弹，子弹，弹丸：fire a bullet at …向…开枪；lodge/put a bullet into sb.将子弹射向…；receive a bullet in the wrist手腕中弹；a machine gun bullet机枪子弹；d···
bulletin
bulletin/ˈbulitin/n.［c］1. (报纸、电台等)简明新闻，最新消息：read the news bulletins看新闻简报2.学报，期刊(尤指某机构的机关刊物)：The Insect Bulletin is produced by an Insect Ass···
bully
bully/ˈbuli/ I.n.1.［c］恶霸，暴徒：a local bully土豪；play the bully横行霸道，恃强欺弱2.［u］罐头牛肉；腌牛肉（亦作bully beef）‖II.vt.威吓；欺侮：bully sb. into doing sth.胁迫某···
bump/bumper
bump/bʌmp/ I.vi.1.碰，撞(against; into;on)：bump into sb. on the road路上偶然遇到某人I bumped my head on the shelf as I stood up.我站起来的时候把头碰到了架子上了。The two cars bum···
bun
bun/bʌn/n.［c］小圆面包；曲卷（或结）状的头发：I had a cup of tea and a bun at four o'clock.我在四点钟时喝了一杯茶，吃了个小甜面包。She wears her hair in a bun.她把头发盘成一个···
