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bulletin board noun 1 {NAm£) = noticeboard 2 {computing if) a place in a computer system where any user can write or read messages 公告牌；布告栏 bullet point noun an item in a list in a document, that is printed with a square, diamond or circle in front of it in order to show that it is important. The square, etc. is also called a bullet point.点知重要项目（文件中列举时 用正方形、菱形等点句符开始 >;点句符；项目符号 buMet-proof /'bulitpruif/ adj. that can stop bullets from passing ttirough it 防弹的：a buHefproo/vest 防弹 背心

'bullet train noun (informal) a Japanese train that carries passengers at high speeds (日本载客的}髙速

列车，子弹列车

bull-fight /'bulfait/ noun a traditional public entertainment, popular especially in Spain, in which bulls are fought and usually killed (尤指盛行于西班牙的）斗牛 表演 Kbul丨.fight.er noi/n bull.fight.ing [U]. —see

also MATADOR

bull-finch /'bolfintj/ noun a small European bird of the finch family, with a strong curved beak and a pink breast红腹灰雀

bull-frog /'bulfrDg; NAmE -fro:g; -fra:g/ noun a large American frog with a loud croak (美如 > 牛蛙 bull-head-ed /.bul'hedid/ adj. {NAm£} unwilling to change your opinion about sth, in a way that other people tiiink is annoying and unreasonable 固执的；死 心.目良儿的 obstinate, stubborn ► bull-head.ed-

ness noun [U]

bull-horn /'bulhoin; NAmE -hoirn/ noun {NAm^) = loud- hailer

bul-lion /'bulian/ noun [U] gold or silver in large amounts or in the form ot bars 大量的金（或银金 (或银 > 条：g〇W buHion金条 bullish /'bulij'/ adj. 1 feeling confident and positive about the future 4未来有信心的；积极乐观的：in a buHis/i mood 满 ff 希望.2 财）causing, or

connected with, an increase in the price of shares (对股票价格 > 看涨的；牛市的：a buHis/i marfcet牛市 —compare bearish

'bull market noun {finance M) a period during which share prices are rising and people are buying shares '牛市（股票价格上升、股民纷纷购买股票的时期） —compare bear market

.bull 'mastiff noun a large strong dog with short smooth hair 斗牛獒

bul-lock /'bulak/ noun a young bull (= a male cow) that has been castrated (= had part of its sex organs removed)阉小公牛一compare ox(l), steer bullpen /'bulpen/ noun {NAmE) 1 the part of a baseball field where players practise pitching (= throw- ing) before the game (棒球场中的）赛前投手练习区 2 extra pitchers (= players who throw the ball) in a baseball team who are used, if necessary, to replace the usual pitchers 全体候补投争：The team's bullpen is soZfd this year.今年该队囟候补投手实力不错。3 a type of large office which is open-plan (= it does not have walls dividing the office area)敞开式办公室 4a room where prisoners wait before they go into the court for their trial (嫌犯）候审室

bull-ring /'bulrii]/ noun the large round area, like an outdoor theatre, where bullfights take place 斗牛场’ bull-rush = BULRUSH

'bull session noun {NAmE, informal) an occasion when people meet and talk in an informal way 闲谈；聊天 bulls*eye /'bulzai/ (also bull) noun [usually sing.] the centre of the target that you shoot or throw at in shooting, archery or darts; a shot or throw that hits this祀心；鹄的；命中靶心：ffe scored a buZkeye.他命 中了耙心。

bull-shit /'buljit/ noun, verb

mnoun [D] {taboo, slang) (also informal bull) {abbr. BS) nonsense 胡说；狗屁：T/iat’s just buHshit.那纯粹是

胡说。

■ verb (-tt-) {taboo, slang) to say things that are not true,