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 people's 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)

7.burden n.负担(load, duty, obligation);v.加重压于(to oppress)

例:tax burden税负

8.bureau n.（政府机构的）局，部，处(a specialized administrative unit)

词根记忆：法语词，意为“办公室”

派生词:bureaucracy(n.官僚主义；政府机构)

9.burglarize v.破门盗窃(to enterlbuilding in order to steal)

词根记忆：burglar(夜盗)+ize--进行夜盗一破门盗窃

例:It is against the law to burglarize people's homes.

同根词：burglary(n.入室行窃)

10.burrow n.洞穴(a hole in the ground made by an animal, such as a rabbit, for shelter and habitation)；v.挖洞(make sth. by digging)

例:These rats stay in burrows during the hot part of the day.