3495.bravery(名)勇敢、勇氣
不可數
He is unrivaled in bravery．
他英勇無比。

3496.breadth(名)寬度
She estimated the breadth of tha lake to be 500 matres.
她估計湖面大約有500米寬。

3497.breathe(動)呼吸
He breathe deepty before speaking again．
他 深吸一口氣，然后繼續說下去。

3498.brigade(名)對、團
The fire brigade soon got the conflagration under control．
消防隊很快就把火控制住了。

3499.braiten(動)照亮
Sunlight braitened the room.
陽光使房間明亮了起來。

3500.brightness(名)亮度
The dark frame accantuates the brightness of the picture．
黑色畫框更加襯托出這幅畫的明亮色彩。

3501.briliant(形)燦爛的、光輝的、杰出的
同義詞sparkling
She has one of the most briliant minds in the country．
她是全國最有才氣的人之一。

3502.broaden(動)加寬
Spanding a year working in the city helped to broaden his horizons．
在城市工作的一年拓寬了他的視野。

3503.broader(形)較寬的
Over time,they should commit to daveloping a broader and deeper analytical capactiy.
隨著時間的推移，他們應允諾開發更廣更深的分析能力。

3504.broadcast(動)廣播、播放
The concert will be broadcast live tomorrow evening．
音樂會明晚將現場直播。

3505.broom(名)掃帚
I can't sweep without a broom.
沒有掃帚我無法掃地。

3506.browse(動)瀏覽；嚙食
l used to browse through a magazine to kill time．
我過去經常瀏覽雜志來消磨時間。

3507.brunch(名)早午餐
l had my lunch earliar than usual,it should be called brunch, to be exact.
午飯我比平時吃得早一些，確切地說，那頓飯應該叫做早午餐。

3508.brutal(形)野蠻的、殘忍的
同義詞savege
With brutal honesty,she told him she did not love him．
她冷酷地直接告訴他，她不愛他。

3509.brutality(名)野蠻
The Blacks students accused the police of brutality．
黑人學生譴責警察的殘暴行為。

3510.buck(名)美元
同義詞dollar
We're talking big bucks here.
我們這兒談的是大買賣。

3511.bucket(名)水桶、桶狀物
They were playing on the beach with their buckets and spades.
他們帶著桶子和鏟子在沙灘上玩。

3512.bud(名)花蕾、芽
In the spring,tiny buds appear on all the trees.所有樹木在春天都生出嫩芽。

3513.Buddha(名)佛陀、佛像
Wa bowed before the Buddha．
我們向佛膜拜致敬。

3514.Buddhism(名)佛教
He devoted his life to preaching Buddhism.
他獻身于宣揚佛教。

3515.budget(名)預算
A sketch of the long report by the budget committee was submitted to the mayor for approval.
預算委員會長篇報告的提綱已經提交給市長批審。

3516.buffalo(名)水牛
There are two types of buffalo,the African and the Asian.
水牛分為非洲水牛和亞洲水牛兩種。

3517.buffet(名)自助餐
Dinner will ba a cold buffet,not a sit-down meal.
主餐是自助冷食，不是坐著等服務生送來的那種。

3518.bulb(名)燈泡；球莖、根
There's a light bulb missing in the bedroom.
臥室里少一個電燈泡。

3519.bulk(名)巨大、大量
Things are usually cheaper if they are bought in bulk.
若大量購貨，價格往往更便宜。

3520.bull(名)公牛
Bulls make money.Bears make money.Pigs get slaughtered.
牛市能賺錢，熊市能賺錢，只有豬被宰殺。

3521.bullet(名)子彈
He was killed by a bullet in the head.
他頭部中彈死亡。

3522.businesslike(形)認真的、處事務實的、井然有序的
Wearing a suit made him fell more businesslike.
穿西裝使他覺得更加干練。

3523.butcher(名)屠夫、肉販
He owns the butcher shop in the main street.
他在大街上開了一家肉鋪。

3524.buzz(動)發出嗡嗡聲；忙亂
The place was buzzing with journalists.
那個地方被記者搞得鬧哄哄的。

3525.cable(名)電纜、有線電視
The truck used a cable to tow the automobile.
卡車用纜索拖曳汽車。

3526.cage(動)把……關進籠子(名)籠子、監牢
(動):The dogs are caged up at night．
晚上狗被關進籠里。
(名):The old man mode a cage for birds．
老人做了一個鳥籠。

3527.calendar(名)日歷、行事歷、歷法
Today is her birthday, according to the solar calendar.
按照陽歷，今天是她的生日。