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GRE蓝宝书核心词汇突破:字母b开头的单词

bumpv. 碰撞,冲撞 (bumper汽车保险杠)
bumptiousadj. 傲慢的,自夸的(presumptuously, noisily self-assertive)
(类)impetuous·vacillation=dour·geniality=bumptious·humbleness
冲动的人不会犹豫=严厉的人不亲切=傲慢的人不谦逊
bumptious·assertive=garish·colourful自大的·非常自信的=炫耀的·华丽的(褒贬程度)
干扰:(compendious·succinct)(exuberant·happy)

bunglevt.vi. 办糟,失败(to act or work clumsily and awkwardly)
(反)bungle
◆ bring off失败
◆ 成功
(记)谐音:笨狗把事情办糟

buoyvt.支撑 (support;uplift)
(反)buoyed
◆ unsupported支撑的
◆ 没有支持的
(同)support, bolster, prop, sustain, uphold

buoyant adj.有浮力的(capable of floating),快乐的(cheerful,gay)(类)bend·rigid=submerge·buoyant坚硬的不会弯曲=有浮力的不会沉
buoyant·sink=insoluble·dissolve有浮力的不会下沉=不溶的不会溶解
buoyant·float=heavy·drop有浮力的·漂浮=重的·落下(前者容易实现后者)
(反)buoyant
◆ hangdog /aggrieved快乐的
◆ 垂头丧气的/ 痛苦的
buoyant
◆ leaden轻快的
◆ 沉重的
(同)bouncy, effervescent, resilient, volatile