8535.biodegradable(形)生物所能分解的
We are asked to use the biodegradable plastic goods.
我們被要求使用可分解的塑腔制品。

8536.biography(名)傳記
If it's not under sport, try looking under biography．
我是在運動類中查不到，可以查查傳記婁。

8537.biotechnology(名)生物工程學
不可數
Collins held a major international biotechnology forum in France this week.
科林斯在本周于法國召開一個重要的國際生物技術研討會。

8538.bland(形)無刺激性的、淡而無味的
同義詞insipid
Bland vegetables are often served with a piquant sauce.
清淡的蔬菜常以辛竦的調味料調味。

8539.blizzard(名)大風雪
When the blizzard closed the airport,stranded travelers were put up in local schools.
暴風雨封鎖機場的時候，無依無靠的旅行者們就住在當地的學校里。

8540.blassom(動)開花；發展成
That small fishing village had now blossomed into an important port.
那個小漁村現在已經發展成為一個重要港口。

8541.blot(名)污點；污漬
Kevin's involvement in the scandal is a blot on his reputation.
凱文因卷入丑聞，在名譽上留下了污點。

8542.blueprint(名)藍圖、設計圖
The construction of a music hall is still on the blueprint stage.
音樂廳的建造還在籌劃的階段中。

8543.blunder(名)放大錯、出漏子
He committed an astonishing blunder.
他犯了一個驚人的錯誤。

8544.blunt(形)鈍的；直率的、直言不諱的
Let ma ask a blunt question.
允許我問一個直率的問題。

8545.board(名)委員會、董事會；布告牌
He has recently joined the board of the company.
他最近加入了該公司的董事會。

8546.bohemian(名)放蕩不羈的文化人、不收束縛的人
Mr. King was highly educated,but was a Bohemian down to his boots.
金先生受過良好的教育，但他是一個極其脫俗不拘小節的人。

8547.bombard(動)不斷攻擊、向……連續提出
The mayor was bormbarded with questions．
人們向市長不斷地提出許多問題。

8548.bombastic(形)夸張的
同義詞exaggeracive
The candidate spoke in a bombastic way of all that he would do if elected.
候選人大肆吹噓，一旦他當選將會如何做。

8549.bonus(名)額外津貼、特別補助
The firm offers her a ganerous bonus as a sweetener.
公司提出紿她一筆可觀的紅利借以拉攏她。

8550.boom(名)商業……等的景氣繁榮，政治形勢……的突然好轉
He made his pile during the property boom.
在房地產生意興隆期間他發了大財。

8551.botanist(名)植物學家、專門研究植物的人
Mandy's father is abolanist.
曼蒂的爸爸是位植物學家。

8552.bouquet(名)花束、一束花
They were heartily applauded and received bouquets from a group of young Pioneerts．
大家熱烈鼓掌歡迎他們，一群少先隊員向他們獻上花。

8553.boycott(名)聯合抵制、拒絕參加
不可數
The boycott was a success and Dr.King had showed that peaceful movement could bring about change．
這次成功的抵制行動使金博士表明了非暴力的群眾斗爭能夠改變現狀。

8554.branch(名)樹枝；支流；分支
English is a branch of the Germanic family of languages.
英語是日耳曼語系的一個分支。

8555.break(名)暫停、休息(動)破壞；違反
不規則變化broke, broken
(名):There is a ten-minute break between the classes.
課間休息十分鐘。
(動):Don't break the rules.
不要破壞規定。

8556.breakdown(名)精神、體力等的衰弱、崩潰
不可數
His frequent depressions were the prelude to a complete mental breakdown.
他經常抑郁寡歡，后來精神完全崩潰了。

8557.breakthrough(名)突圍；突破性進展
My expectation is that we'll have a breakthrough in medical treatment.
我預計在醫療方面我們將取得一次重大突破。

8558.breed(動)生產、孕育
不規則變化bred bred
Rabbits breed quickly.
兔子繁殖快。

8559.bribe(名)賄賂
By taking bribe the judge made a burlesque of his high office.
那位法官受了賄賂，嘲弄了自己的崇高地位。

8560.brief(形)短暫的、簡短的
同義詞short
He arose and made a brief speach.
他站起身來作了一個簡短的演講。

8561.briefcase(名)公事包
My briefcase was beginning to gather dust.
我的手提箱積了一堆的灰塵。

8562.briefing(名)簡報會議；說明會
不可數
Before the meeting, the general secretary gave the representatives a briefing.
開會之前，秘書長先向代表們簡單地說了一下情況。

8563.broadcast(動)廣播、播送
不規則變化broadcast,broadcast
They broadcast an urgent storm warning.
他們廣播了一則緊急暴風雨的警報。

8564.broadsheet(名)大幅單或雙面印制品
不可數
The newspaper of Britain can be traditionally divided into two kinds: broadsheet and taboid.
英國的報紙一般可分為兩類：大幅報紙和小幅報紙。