biennial a.两年一次的 [L biennis(BI-, annus year)]

　　bifurcate a.分为两部分 [medL bifurcare<L bifurcus two-forked(BI-, furca fork)]

　　bigotry n.顽固 [BIGOT 顽固者,乖僻的人]

　　bilateral a.两边的;左右对称的

　　bile n.胆汁;不开心;脾气 [F<L bilis biliary 胆汁的;输送胆汁的]

　　bilge n.船底;船底的污垢 [prob var of BULGE(<L."袋")鼓起,凸出<out>]

　　bilingual a.能说两种语言的 [L bilinguis(BI-, lingua tongue)]

　　bilious a.患胆病的;坏脾气的 [L biliosus<bilis bile]

　　bilk v.欺骗;挫折;使人失望 [perh = BALK: (17th c) = spoil one's opponent's score]

　　billingsgate n.下流话

　　bin n.储藏箱;收入收藏室 [OE bin(n), binne]

　　binary a.二进位的;二元的 [LL binarius <bini two together]

　　binge n.狂闹 [prob orig dial, = soak浸泡(在液体中)吸收,浴于(阳光)中]

　　bionomics n.生态学 [BIO- after ECONOMICS]

　　biopsy n.活体检查法 [F biopsie<Gk bios life+opsis sight, after necropsy验尸]

　　biosphere n.生物圈 [BIO-, SPHERE(<G."球")球;天体;(活动、知识等)范围,领域]

　　biped n.两足动物 [L bipes -edis(BI-, pes pedis foot)]

　　bisect v.分为两断;(数)平分 [BI- + L secare sect- cut]

　　bison n.北美野牛;欧洲野牛 [ME <L <Gmc 同aurochs)]

　　bit n.片刻;小钱币;十二分半 [~s of glass玻璃碎片a ~ of hope一点希望on the bit使马快奔]

　　bitch n.母狗;妓女;婊子

　　bivouac n.v.野营;露营地 [F, prob. <Swiss G Beiwacht additional guard at night]

　　bizarre a.古怪的 [F, = handsome, brave,<Sp & Port bizarro<Basque bizarrabeard]

　　blab v.多嘴的人

　　blackmail n.勒索 [BLACK+obs mail rent, OE mal<ON m l agreement]

　　blade n.叶;刃;扁平的部份;荡子

　　blanch v.使变白 [ME<OF blanchir<blanc white, BLANK空白的;空虚的;完全的]

　　bland a.温柔的;殷勤的 [L blandus soft, smooth]

　　blandish v.逢迎 [<L blandus soft, smooth. blandishment n.奉承,逢迎 Despite his~s, the young lady rejected his] [companionship.]

　　blare v.响声 [ME<MDu blaren, bleren, imit]

　　blarney n.恭维话 [Blarney, an Irish castle near Cork with a stone said to

　　confer a cajoling tongue on whoever kisses it]

　　blase a.厌烦于享乐或人生的

　　blasphemy n.骂神;冒渎;不敬;咒骂 [ME<OF blasfemie<ecclL<Gk blasphemia slander,

　　blasphemy blasphemous 不敬神的 blaspheme 亵渎];[ 说不恭敬的话

　　blatant a.喧哗的;炫耀的 [a word used by Spenser(1596), perh after Sc blatand =

　　bleating bleat 咩地叫;抱怨地说]

　　blazon v.宣布;用纹章装饰 [ME<OF blason shield;verb also<BLAZE 传播;火焰;烈火地狱]

　　bleach v.n.漂白 [bleachers 露天座位]

　　bleak a.寒冷的;荒凉的 [ME prob<ON bleikja, OHG bleicha<Gmc]

　　bleed v.流血;流出树液;榨钱 [OE bledan <Gmc]

　　blemish n.v.伤;污点;缺点;损伤 [ME<OF ble(s)mir(-ISH)make pale, prob of Gmc orig]

　　blench v.退缩;变白;使变白 [ME<OE blencan, ult<Gmc]

　　blend v.混杂;混合[~ mayonnaise with other ingredients把蛋黄酱与其他材料混合 The colors of the rainbow~ into one anothe]r虹的色彩交融调和

　　bless v.神圣化;祈福 [OE bloedsian, <blod blood(hence mark with blood,consecrate)]

　　blight n.v.障害;阴影;枯凋;挫折 [blighted毁灭的;受虫害的]

　　blink v.闪烁 [partly var of blenk = BLENCH, partly<MDu blinken shine]

　　bliss n.极乐;极大幸福;喜悦 [OE bliths, bliss <blithiz BLITHE: sense infl. byBLESS]

　　blithe a.快乐的;无忧无虑的

　　blitz n.v.闪击战;以闪击战攻击 [abbr of BLITZKRIEG(<德语)= blitz]

　　blizzard n.大风雪;突发事件 [US 'violent blow'(1829), 'snowstorm'(1859)]

　　bloat v.n.熏制;膨胀;自负 [obs. bloat swollen, soft and wet, perh. <ON blautrsoaked, flabby]

　　bloated a.发胀的;傲慢的 [a ~ face 浮肿的脸 ~ with (from) overeating 因吃得太多而浮胖 a ~

　　politician 自大的政客 He is ~ with] [pride 他狂妄自大]

　　blockade n.v.封锁;堵塞;堵塞 [BLOCK+-ADE, prob after ambuscade= ambush]

　　blond a.金发男人 [ME <F <med.L blondus, blundus yellow, perh. of Gmc orig.]

　　bloom n.花,开花;鲜美;红润 [OE bloma]

　　blossom n.花;群花;开花期,花季 [OE blostm(a) prob. formed as BLOOM]

　　blot n.v.污痕;弱点;抹脏;吸干 [ME prob. <Scand.: c<Icel. blettr spot, stain]

　　blotch n.v.污点;斑点;弄脏 [17th c:<plotch and BLOT(墨水)污渍 blotchy满是疙瘩的]

　　bloted a.肿胀的

　　blotto a.烂醉的 [20th c: perh<BLOT]

　　blouse n.罩衫

　　blowhard n.吹牛大家

　　bludgeon n.v.棍棒;强迫;胁迫;恫吓 [~ a person to death 把某人打死 ~ a person into going along 强迫某人同行]

　　blueprint n.蓝图;设计图

　　bluestocking n.女学者;醉心文学的女人 [from the (less formal) blue stockings worn byone man at a literary society meeting c.1750]

　　bluff v.虚张声势

　　blunder v.犯错误 [ME prob<Scand: cf MSw blundra shut the eyes]

　　blunt a.钝的;粗卤的;生硬的 [blunge 混合(泥土与水等);参水拌]

　　blur v.使乌黑;变模糊 [16th c: perh rel to BLEAR<眼睛>花的;朦胧的,模糊不清的]

　　blurt v.滑口说出 [In his anger he ~ed out the secret 他在生气之下脱口说出了秘密]