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1.budworm n.蚜虫(a moth lan,a that feeds on the buds of pIants) 分拆记忆：bud（芽）+worm（虫）--蚜虫 例:The drop in the popuIation of the spruce 6udwD,m is expected to be Only tempOrary． 2.buffalo n.水牛；北美野牛(any of seVeral wild boVids) 联想记忆：bud（软牛皮）+alo一经常泡在水里的牛皮会软一水牛 例:These researchers have overlooked the economic impact of rural development projects that improVe peoples daily lives at the village level-such as the cooperative raising of water buffalo. 3.buffer n.缓冲物(a means or device used as a cushion against the shock of fluctuations in business or financial activity) 词根记忆：来自buff（v.缓冲，减震） 例:buffer stock调节性库存储备，//buffer funds缓冲基金 4.bulge v.膨胀(to swe¨)；凸出(to bend outvvard) 例:Our stomachs bulged after we ate too much. 5.bulk n.主体，绝大部分(main or greater part) 联想记忆：公牛(bull)总是大批(bulk)地行动 例:The bulk of the health—care dollar is spent on the illnesses of some signiflcance． 6.buoyant a．有浮力的(showing buoyancy)；快乐的(cheerful) 例:The relative low density of the hottest rock makes that material buoyant. 派生词:buoyantly( ad.心情愉悦地；有浮力地)；buoyancy(n.浮力；轻快) | 
