3495.bravery(名)勇敢、勇气
不可数
He is unrivaled in bravery．
他英勇无比。

3496.breadth(名)宽度
She estimated the breadth of tha lake to be 500 matres.
她估计湖面大约有500米宽。

3497.breathe(动)呼吸
He breathe deepty before speaking again．
他 深吸一口气，然后继续说下去。

3498.brigade(名)对、团
The fire brigade soon got the conflagration under control．
消防队很快就把火控制住了。

3499.braiten(动)照亮
Sunlight braitened the room.
阳光使房间明亮了起来。

3500.brightness(名)亮度
The dark frame accantuates the brightness of the picture．
黑色画框更加衬托出这幅画的明亮色彩。

3501.briliant(形)灿烂的、光辉的、杰出的
同义词sparkling
She has one of the most briliant minds in the country．
她是全国最有才气的人之一。

3502.broaden(动)加宽
Spanding a year working in the city helped to broaden his horizons．
在城市工作的一年拓宽了他的视野。

3503.broader(形)较宽的
Over time,they should commit to daveloping a broader and deeper analytical capactiy.
随着时间的推移，他们应允诺开发更广更深的分析能力。

3504.broadcast(动)广播、播放
The concert will be broadcast live tomorrow evening．
音乐会明晚将现场直播。

3505.broom(名)扫帚
I can't sweep without a broom.
没有扫帚我无法扫地。

3506.browse(动)浏览；啮食
l used to browse through a magazine to kill time．
我过去经常浏览杂志来消磨时间。

3507.brunch(名)早午餐
l had my lunch earliar than usual,it should be called brunch, to be exact.
午饭我比平时吃得早一些，确切地说，那顿饭应该叫做早午餐。

3508.brutal(形)野蛮的、残忍的
同义词savege
With brutal honesty,she told him she did not love him．
她冷酷地直接告诉他，她不爱他。

3509.brutality(名)野蛮
The Blacks students accused the police of brutality．
黑人学生谴责警察的残暴行为。

3510.buck(名)美元
同义词dollar
We're talking big bucks here.
我们这儿谈的是大买卖。

3511.bucket(名)水桶、桶状物
They were playing on the beach with their buckets and spades.
他们带着桶子和铲子在沙滩上玩。

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

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

3514.Buddhism(名)佛教
He devoted his life to preaching Buddhism.
他献身于宣扬佛教。

3515.budget(名)预算
A sketch of the long report by the budget committee was submitted to the mayor for approval.
预算委员会长篇报告的提纲已经提交给市长批审。

3516.buffalo(名)水牛
There are two types of buffalo,the African and the Asian.
水牛分为非洲水牛和亚洲水牛两种。

3517.buffet(名)自助餐
Dinner will ba a cold buffet,not a sit-down meal.
主餐是自助冷食，不是坐着等服务生送来的那种。

3518.bulb(名)灯泡；球茎、根
There's a light bulb missing in the bedroom.
卧室里少一个电灯泡。

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

3520.bull(名)公牛
Bulls make money.Bears make money.Pigs get slaughtered.
牛市能赚钱，熊市能赚钱，只有猪被宰杀。

3521.bullet(名)子弹
He was killed by a bullet in the head.
他头部中弹死亡。

3522.businesslike(形)认真的、处事务实的、井然有序的
Wearing a suit made him fell more businesslike.
穿西装使他觉得更加干练。

3523.butcher(名)屠夫、肉贩
He owns the butcher shop in the main street.
他在大街上开了一家肉铺。

3524.buzz(动)发出嗡嗡声；忙乱
The place was buzzing with journalists.
那个地方被记者搞得闹哄哄的。

3525.cable(名)电缆、有线电视
The truck used a cable to tow the automobile.
卡车用缆索拖曳汽车。

3526.cage(动)把……关进笼子(名)笼子、监牢
(动):The dogs are caged up at night．
晚上狗被关进笼里。
(名):The old man mode a cage for birds．
老人做了一个鸟笼。

3527.calendar(名)日历、行事历、历法
Today is her birthday, according to the solar calendar.
按照阳历，今天是她的生日。