1.booth n.(隔開的)房間（a small enclosure that isolates its Occupant）

詞根記憶：和tooth(n.牙齒)一起記

例:voting booth投票站

2.boreal a．北方的(of, relating to, or located in northern regions)

例:Boreal owls range over larger areas in regions where food of the sort eaten by small animals is sparse than in regions where such food is abundant.

3.bounce v.（使）彈起，（使）反彈(to rebound)；n.（球）彈起(a sudden leap or bound)

聯想記憶：又跳(bound)又彈(bounce)

例:The basketball bounced off the backboard and missed the basket.// After the third bounce the ball was caught.

4.bound v.包圍，限制(to constitute the boundary or limit of)；a.( to)必定的(sure, certain)；(up with)密切關聯的(closely connected)

例:The triangular flower bed is bounded by three driveways.//Retail sales in Aroca City are bound to increase substantially.//My fate was bound up with hers.

派生詞：boundary(n.邊界)

5.bounty n.獎金，賞金(reward)

詞根記憶：bount( =bon好)+y--表現好一獎金，賞金

例:By the 1930's, bounty hunters had exterminated most of the gray wolves in the United States.

派生詞：bountiful(a．豐裕的，充足的)

6.bourgeois n.資本家(burgher)；中產階級的人(a middle-class person)

例:"BoLugeois" feminism, so called by its more radical opponents, emphasized "individualist" feminist goals such as access to education, career opportunities, and legal equality.

派生詞：bourgeoisify(v.使中產階級化：使資產階級化)

7.bower n.涼亭；樹蔭(a shady, leafy shelter in a garden or wood)

例:Young male bowerbirds are inept at bowerbuilding and apparently spend years watching their elders before becoming accomplished in the local bower style.

派生詞：bowery(a．有亭子的：有樹蔭的)

8.boycott v./n.聯合抵制(usu. of a group of people, refuse to deal or trade with a person or a country)

聯想記憶：boy+cott(音似：cut剃)--男孩子們剃頭以示抗議一抵制

例:The union leaders are considering as their principal new tactic a consumer boycott against Gasco gas stations.

9.brace n.支柱，支撐(something that connects or fastens)；v.準備(to prepare)

例:In spring St. John's residents are less likely to be sitting at outdoor cafes than to be bracing themselves against arctic chills.

10.brass n.黃銅(bright yellow metal made by mixing copper and zinc)

例:Many clothes incorporate thick metal parts such as decorative brass studs(紐扣)or buttons.

派生詞：brazen(a．厚顏無恥的)