boreal a.北的;北风的 [ME

boredom n.无聊;令人厌烦的事物

bosom n.胸;怀中;爱情;拥抱 [OE bosm

botany n.植物学(书) [botanic

botch v.拙笨地修补;糟蹋 [botcher 扭劣的工匠;笨手笨脚的人]

bouillon n.肉汤;牛肉汤 [F

boulder n.圆石头;玉石 [short for boulderstone, ME

boulevard n.林荫大道

boundary n.界限,范围 [dial. bounder

bounteous a.慷慨的;宽大的 [ME

bountiful a.大方的 [ME

bounty n.慷慨,宽大;赠与 [f. L bonitas -tatis

bouquet n.花束;香味;(酒等)芳香 [F

bourgeois n.中产阶级的人 [F: BURGESS 市民;议员]

bourn n.小河;目标;界限 [F borne

bout n.一阵;一回;一次 [16th c: app the same as obs bought bending]

bovine a.似牛的;笨拙的 [LL bovinus

bowdlerize v.删去不妥的文句 [T Bowdler(d 1825), expurgator of Shakesp]

bower n.树荫;寝室;提琴演奏者 [G Bauer peasant, jack at cards, rel to Du boer: BOOR农民;乡下;佬]

boycott v.联合抵制 [Capt C C Boycott, Irish land-agent d 1897, so treated from 1880]

brace v.支持;使固定 [ME

bracelet n.手镯;手拷 [ME

brackish a.混有盐的;作呕的 [obs brack(adj)

brag n.自夸,吹牛,自夸的东西 [ME, orig. adj., = spirited, boastful: orig. unkn.]

braggart n.吹牛;吹牛的 [F bragard

brake n.煞车器;丛林;煞车 [ME, perh shortened

bramble n.荆棘 [OE br'mbel(earlier br'mel): BROOM 扫帚(植物)金雀花]

brand n.品种;商标;烙印 [OE