boreal a.北的;北风的 [ME
boredom1 n.无聊;让人厌烦的事物
bosom2 n.胸;怀中;爱情;拥抱 [OE bosm
botany n.植物学 [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
boulder3 n.圆石头;玉石 [short for boulderstone, ME
boulevard n.林荫大道
boundary n.界限,范围 [dial. bounder
bounteous4 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
bouquet6 n.花束;香味;芳香 [F
bourgeois7 n.中产阶级的人 [F: BURGESS 市民;议员]
bourn n.小河;目的;界限 [F borne
bout8 n.一阵;一回;一次 [16th c: app the same as obs bought bending]
bovine9 a.似牛的;笨拙的 [LL bovinus
bowdlerize v.删去不妥的文句 [T Bowdler, expurgator of Shakesp]
bower10 n.树荫;寝室;提琴演奏者 [G Bauer peasant, jack11 at cards, rel to Du boer: BOOR农民;乡下;佬]
boycott12 v.联合抵制 [Capt C C Boycott, Irish land-agent d 1897, so treated from 1880]
brace13 v.支持;使固定 [ME
bracelet14 n.手镯;手拷 [ME
brackish15 a.混有盐的;作呕的 [obs brack
brag16 n.自夸,吹牛,自夸的东西 [ME, orig. adj., = spirited, boastful: orig. unkn.]
braggart17 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: BROOM 扫帚金雀花]
brand n.品种;商标;烙印 [OE