backslide
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C2 verb /ˈbækˌslaɪd/

backslide

倒退
Meaning
To relapse into bad habits, undesirable practices, or moral decline.
Example
After months of progress, he began to backslide into old habits.
经过几个月的进展，他开始回到旧习惯中。
C2 verb /biˈætɪfaɪ/

beatify

宣圣
Meaning
to make blessed or holy, especially in the Roman Catholic Church, to declare a deceased person to be among the blessed
Example
The pope decided to beatify the martyr for his faith and sacrifice.
教皇决定因其信仰和牺牲而宣圣这位殉道者。
C2 adjective /ˈbʌmblɪŋ/

bumbling

笨拙
Meaning
Acting in a clumsy, awkward, or confused way.
Example
The bumbling waiter spilled the drinks on the table.
那个笨拙的服务员把饮料撒在桌子上。
C2 verb /bɪˈleɪ/

belay

固定绳索
Meaning
to secure a rope by winding it around an object; to stop or cancel an order (nautical/military use)
Example
The climber asked his partner to belay the rope tightly.
攀岩者要求他的搭档紧紧地固定绳索。
C2 noun /ˈbɛvi/

bevy

群体, 一群
Meaning
A large group of people or things of a particular kind.
Example
A bevy of swans floated on the lake.
一群天鹅在湖面上漂浮。
C2 verb /ˈblʌdʒən/

bludgeon

用重物打击
Meaning
to hit someone with a heavy object; to force someone into doing something
Example
The guard was bludgeoned by the attacker in the alley.
警卫被小巷中的袭击者用重物打击。
C2 verb /bɪˈlaɪ/

belie

掩饰
Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
他平静的面容掩饰了他内心的焦虑。
C2 noun /ˈbɛlfri/

belfry

钟楼
Meaning
A bell tower, especially one attached to a church or building.
Example
The church belfry housed a large bronze bell.
教堂的钟楼里有一个大铜钟。
C2 noun /ˈbɛnɪsən/

benison

祝福
Meaning
A blessing or benefit.
Example
The rain was a benison for the drought-stricken farmers.
这场雨对受旱灾影响的农民来说是一种祝福。
C2 verb /blæsˈfiːm/

blaspheme

亵渎
Meaning
to speak irreverently about God or sacred things
Example
He was accused of blaspheming during the heated argument.
他在激烈的争论中被指控亵渎。
C2 noun /bel ˈæp.əl/

Bell apple

钟铃苹果
Meaning
a tropical fruit with a crisp texture and sweet taste, scientifically known as Syzygium malaccense
Example
The bell apple tree produces beautiful red fruits that are popular in tropical regions.
钟铃苹果树结出美丽的红色水果，在热带地区很受欢迎
C2 verb /bɪˈfaʊl/

befoul

污染
Meaning
to make dirty or polluted; to disgrace or corrupt
Example
The factory waste befouled the river.
工厂废物污染了河流。
C2 noun /bəˈlɛəroʊ/

bolero

博莱罗（西班牙舞蹈或前面开口的短外套）
Meaning
A Spanish dance in slow triple time, or a short jacket open at the front.
Example
The dancers performed a passionate bolero at the festival.
舞者在节日中表演了热情的博莱罗。
C2 noun /bɜːrˈlɛsk/

burlesque

滑稽模仿剧
Meaning
A humorous and exaggerated imitation of a serious work; a type of theatrical entertainment involving comedy and parody.
Example
The play was a clever burlesque of traditional opera.
这出戏是对传统歌剧的巧妙滑稽模仿。
C2 verb /bɪˈdaɪzən/

bedizen

华丽装饰
Meaning
to dress up or decorate in a showy or tasteless way
Example
She was bedizened with cheap jewelry.
她用便宜的珠宝装饰自己。
C2 adjective /ˈbʌsti/

busty

胸部丰满的
Meaning
having a large or full bust; describing a woman with a prominent chest
Example
The actress was often described as busty in fashion magazines.
这位女演员在时尚杂志中常被形容为胸部丰满的。
C2 noun /ˌbeɪˈliː/

bailee

受托人
Meaning
a person or party who temporarily receives possession of goods or property from another under a legal agreement
Example
The bailee must take reasonable care of the goods while they are in his possession.
受托人必须合理地保管财产。
C2 noun /bɑːrd/

bard

诗人
Meaning
a poet, traditionally one reciting epics and associated with oral traditions
Example
Shakespeare is often called the Bard of Avon.
莎士比亚常被称为艾文的诗人。
C2 noun /brəˈkeɪd/

brocade

织锦
Meaning
a rich fabric woven with a raised pattern, often in gold or silver thread
Example
She wore a beautiful brocade dress to the wedding.
她在婚礼上穿着一件漂亮的织锦裙子。
C2 noun /ˈbɪlɪŋzˌɡeɪt/

billingsgate

粗俗或侮辱性的语言
Meaning
Coarse or abusive language; vulgar or offensive speech.
Example
The heated argument quickly descended into billingsgate.
激烈的争论迅速转化为粗俗的语言。
C2 adjective /bruːsk/ or /brʌsk/

brusque

粗暴
Meaning
abrupt or blunt in manner or speech, often seen as rude
Example
His brusque reply ended the conversation.
他那粗暴的回答结束了谈话。
C2 noun /ˌbuː.ɡənˈvɪl.i.ə/

Bougainvillea

九重葛
Meaning
a tropical climbing plant with colorful bracts surrounding small flowers
Example
The bougainvillea climbing over the garden wall creates a beautiful purple display.
攀爬在花园墙上的九重葛创造了美丽的紫色展示。
C2 noun /ˌbræɡəˈdoʊʃioʊ/

braggadocio

吹嘘行为
Meaning
boastful or arrogant behavior; empty boasting
Example
His endless braggadocio annoyed everyone at the party.
他无休止的吹嘘行为让派对上的每个人都感到厌烦。
C2 noun /bɛl/

belle

美丽的女人
Meaning
A beautiful woman, especially the most attractive woman at a gathering.
Example
She was the belle of the ball that evening.
她是那个晚上舞会的美丽女士。
C2 noun /brɔːn/

brawn

体力
Meaning
physical strength in contrast to intelligence
Example
He used his brawn to lift the heavy box.
他用体力举起了沉重的箱子。
C2 verb /breɪ/

bray

驴叫
Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
驴子在田地里开始大声叫。
C2 verb /ˈbraʊˌbiːt/

browbeat

威胁 / 强迫
Meaning
To intimidate or bully someone into doing something
Example
The lawyer tried to browbeat the witness.
律师试图威胁证人。
C2 noun /baɪˈmɛstər/

bimester

两个月的时间段
Meaning
A period of two months.
Example
The academic program is divided into six bimesters.
学术项目分为六个学期。
C2 noun /ˈbæs.tərd tiːk/

Bastard teak

黄花檀
Meaning
A flowering tree with bright orange-red flowers, also known as flame of the forest
Example
The bastard teak tree blooms with vibrant orange flowers in spring.
黄花檀树在春天开出鲜艳的橙色花朵。
C2 adjective /ˈbrækɪʃ/

brackish

咸淡水
Meaning
Slightly salty, often describing water that is a mix of fresh and seawater.
Example
The river estuary contained brackish water.
河口含有咸淡水。
C2 noun /ˈbuːbi/

booby

傻瓜
Meaning
a foolish or gullible person; a silly individual
Example
He felt like a booby after making such a simple mistake.
犯了这么简单的错误后，他觉得自己像个傻瓜。
C2 noun /ˌbɒmbərˈdɪər/

bombardier

炸弹员
Meaning
a member of a bomber crew responsible for releasing bombs
Example
The bombardier released the bombs with precision.
炸弹员精确地投下了炸弹。
C2 verb /ˈbɪloʊ/

billow

像波浪一样膨胀
Meaning
To swell or rise in large waves or surges; to flow outward in a rolling motion.
Example
Smoke billowed from the burning building.
烟雾像波浪一样从燃烧的建筑中升腾而起。
C2 noun /ˈbroʊmaɪd/

bromide

陈词滥调
Meaning
A trite or unoriginal idea or remark; also a chemical compound of bromine.
Example
His speech was full of old bromides about hard work.
他的演讲充满了关于努力工作的老生常谈。
C2 adjective /bɪˈnɪɡnənt/

benignant

仁慈的, 善良的
Meaning
Kindly and benevolent in nature.
Example
The teacher’s benignant attitude made the students feel comfortable.
老师的仁慈态度让学生感到舒适。
C2 noun /boʊl/

bole

树干
Meaning
the trunk of a tree
Example
The bole of the tree was thick and strong.
树干又粗又强壮。
C2 noun /ˈbriːzˌweɪ/

breezeway

有顶走道
Meaning
A roofed outdoor passage, often connecting two buildings.
Example
The breezeway connected the house to the garage.
有顶走道将房子与车库连接在一起。
C2 verb /bɪˈnʌm/

benumb

使麻木
Meaning
to make physically numb or without sensation; to make mentally dull or insensitive
Example
The freezing wind seemed to benumb his fingers within minutes.
刺骨的寒风几分钟内就使他的手指麻木了。
C2 adjective /ˌbiːəˈtɪfɪk/

beatific

极乐的
Meaning
blissfully happy or showing great joy
Example
She had a beatific smile after hearing the good news.
她在听到好消息后露出了极乐的微笑。
C2 noun /ˈbælæst/

ballast

压舱物
Meaning
heavy material used to stabilize a ship or vehicle
Example
The ship was loaded with ballast to remain steady in the storm.
船只装载了压舱物，以便在风暴中保持稳定。
C2 noun /ˈbriːtʃɪz/

Breeckes

膝盖长度裤子
Meaning
knee-length trousers; short pants
Example
He wore riding breeches for the equestrian event.
他为马术比赛穿了膝盖长度裤子。
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

生物修复
Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
生物修复帮助清除污染土壤中的毒素。
C2 noun /bɪsk/

bisque

海鲜浓汤
Meaning
A rich, creamy soup made from shellfish.
Example
We ordered lobster bisque at the restaurant.
我们在餐厅点了龙虾浓汤。
C2 verb /ˈbændi/

bandy

Meaning
To pass (words, ideas, or gossip) back and forth in a casual or argumentative way.
Example
They bandied jokes across the table.
C2 noun /bænˈdænə/

bandanna

大彩色头巾
Meaning
A large, often brightly colored handkerchief, typically worn on the head or around the neck.
Example
He tied a red bandanna around his neck.
他把一条红色的头巾绑在脖子上。
C2 verb /ˈbaɪfərˌkeɪt/

bifurcate

分成两部分
Meaning
to divide into two branches or parts
Example
The road bifurcates into two separate paths at the hill.
这条路在山丘处分岔成两条分开的路。
C2 noun /ˈbeɪleɪ/

Bele

贝雷鱼
Meaning
a type of freshwater fish found in South Asian rivers, known for its distinctive appearance
Example
The bele fish is commonly caught in the rivers of Bangladesh.
贝雷鱼通常在孟加拉国的河流中被捕获。
C2 adjective /ˈbrætɪʃ/

brattish

任性
Meaning
acting like a spoiled child; behaving in an annoying, self-centered way
Example
The brattish boy threw a tantrum when he didn’t get his toy.
那个任性的男孩因为没有得到玩具而发脾气。
C2 noun /blɑːtʃ/

blotch

污点
Meaning
a large, irregular spot or stain, often on skin or fabric
Example
His shirt had a red blotch from the spilled juice.
他的衬衫上有一个红色的污点，是由洒出的果汁造成的。
C2 adjective /boʊˈhiːmiən/

bohemian

波希米亚
Meaning
unconventional, artistic, and free-spirited in lifestyle or appearance
Example
She decorated her apartment in a bohemian style with colorful fabrics.
她用色彩缤纷的布料装饰了她的公寓，采用了波希米亚风格。
C2 noun /ˈbrɛviˌɛri/

breviary

祷告书
Meaning
A book containing the service for each day, used in Christian liturgy.
Example
The monk read from the breviary during morning prayers.
僧侣在早晨祷告时从祷告书中朗读。
C2 noun /bleɪn/

Blain

水泡
Meaning
an inflammatory swelling or sore on the skin; a blister or pustule
Example
The doctor examined the blain on his arm.
医生检查了他手臂上的水泡。
C2 noun /brəˈvjʊrə/

bravura

Meaning
a display of great skill and brilliance, especially in music or performance
Example
The pianist delivered a bravura performance that left the audience spellbound.
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

书籍癖
Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
他的书籍癖使他把每个房间都塞满了书。
C2 noun /ˈbiːtənd raɪs/

Beatened rice

拍打米
Meaning
flattened rice; rice that has been parboiled, dried, and beaten into flat flakes
Example
Beaten rice is commonly eaten with milk and sugar for breakfast.
拍打米常与牛奶和糖一起食用作为早餐。
C2 noun /broʊɡ/

brogue

坚固的鞋子；口音
Meaning
A strong outdoor shoe; also a marked accent, especially Irish or Scottish.
Example
He bought a pair of stylish brogues for the wedding.
他为婚礼买了一双时尚的布罗格鞋。
C2 verb /ˈblændɪʃ/

blandish

奉承
Meaning
to flatter or coax someone with kind words or praise in order to influence them
Example
He blandished the officials with compliments to gain their support.
他为了得到支持而奉承官员。
C2 noun /bɒmˈbeɪ dʌk/

Bombay duck

邦贝鱼
Meaning
a type of lizardfish found in coastal waters, commonly eaten dried and salted in South Asia
Example
Bombay duck is a popular delicacy when dried and fried.
邦贝鱼干燥并油炸后是一种受欢迎的美食。
C2 noun /ˈbɑːr.bər/

Barbar

理发师
Meaning
a person whose job is to cut men's hair and shave or trim beards
Example
The barber gave him a perfect haircut for his wedding.
理发师为他的婚礼剪了一个完美的发型。
C2 noun /bjuːt/

butte

孤山
Meaning
an isolated hill with steep sides and a flat top, common in arid regions
Example
The travelers could see a tall butte rising in the desert.
旅行者们能看到沙漠中一座高耸的孤山。
C2 verb /ˈblækˌbɔːl/

blackball

排除
Meaning
to exclude someone socially or vote against their membership in a group or club
Example
He was blackballed from the club after the controversy.
他因争议被俱乐部除名。
C2 noun /blæk ˈkɑːr.də.məm/

Black Cardamom

黑豆蔻
Meaning
a large aromatic spice pod with a smoky flavor, commonly used in Indian and Middle Eastern cooking
Example
Add black cardamom to the curry for a rich, smoky flavor.
在咖喱中加入黑豆蔻，增添丰富的烟熏味。
C2 noun /ˈbɒdɪs/

bodice

束身衣
Meaning
the part of a woman's dress that covers the body from the neck to the waist
Example
She wore a dress with an embroidered bodice.
她穿了一件带有刺绣束身衣的裙子。
C2 adjective /ˈbeɪnfəl/

baneful

有害的
Meaning
Causing harm, ruin, or destruction; deadly or poisonous.
Example
His baneful influence ruined the community.
他的有害影响摧毁了社区。
C2 noun /ˌbækəˈneɪliə/

bacchanalia

纵酒狂欢
Meaning
A Roman festival of Bacchus celebrated with dancing, drinking, and revelry; any occasion of wild and drunken revelry.
Example
The novel describes the party as a bacchanalia of excess and joy.
小说将这个派对描述为一个过度和欢乐的巴卡纳利亚。
C2 noun /ˈbrɪɡ.ənd/

brigand

强盗
Meaning
A member of a gang that ambushes and robs people in forests or mountains; a bandit.
Example
The travelers were attacked by brigands in the mountains.
旅行者在山中被强盗袭击。
C2 verb /ˈbɜːrdʒən/

burgeon

快速增长
Meaning
To grow or develop rapidly; to flourish.
Example
The city's population began to burgeon after the new factory opened.
这座城市的人口在新工厂开业后开始迅速增长。
C2 noun /ˈbɛlˌwɛðər/

bellwether

趋势引领者
Meaning
A person or thing that leads or indicates a trend.
Example
The company is seen as a bellwether of the technology industry.
该公司被视为科技行业的趋势引领者。
C2 verb /bɪˈhuːv/

behoove

有必要或适合某人做某事
Meaning
to be necessary, proper, or appropriate for someone to do
Example
It would behoove you to study before the exam.
你应该在考试前学习。
C2 noun /ˈbʌt.ə.flaɪ piː/

Butterfly Pea

蝴蝶豆
Meaning
a blue flowering plant with butterfly-shaped flowers, used to make herbal tea
Example
Butterfly pea flowers turn tea into a beautiful blue color.
蝴蝶豆花将茶水染成美丽的蓝色。
C2 verb /bruːt/

bruit

传播谣言
Meaning
to spread a rumor or report widely
Example
The scandal was quickly bruited about the town.
丑闻迅速在城镇传播开来。
C2 verb /ˈbaʊdləˌraɪz/

bowdlerize

去除冒犯性部分
Meaning
to remove or modify parts of a text considered offensive or inappropriate
Example
The editor bowdlerized the novel to make it suitable for children.
编辑将小说修改，以使其适合儿童。
C2 adjective /ˈbɪloʊɪŋ/

billowing

波动的
Meaning
Describing something that swells or surges outward in waves or large masses.
Example
She walked through the billowing curtains.
她穿过波动的窗帘走了。
C2 noun /ˈbroʊɡən/

brogan

厚重鞋
Meaning
A heavy, sturdy shoe, often made of leather.
Example
The farmer wore old brogans while working in the field.
农民在田间工作时穿着旧布罗根鞋。
C2 verb /ˈblʌstər/

bluster

大声吹嘘
Meaning
to speak loudly in an aggressive or threatening way, often without real power
Example
The manager blustered about firing people but did nothing.
经理大声吹嘘解雇人，但什么也没做。
C2 verb /baɪd/

bide

等待
Meaning
to wait patiently for the right time or opportunity
Example
He decided to bide his time before making a move.
他决定在行动之前等待合适的时机。
C2 verb /bɪˈhuːvz/

behooves

有必要
Meaning
third person singular form of 'behoove'; means it is proper or necessary
Example
It behooves every citizen to follow the law.
每个公民都应该遵守法律。
C2 noun /ˈbed.ləm/

Bedlam

混乱；嘈杂的混乱
Meaning
a scene of noisy confusion; chaos and disorder
Example
The classroom was complete bedlam after the fire alarm.
火灾警报后，教室变得完全混乱。
C2 adjective /ˈbɛlɪˌkoʊs/

bellicose

好战的
Meaning
Showing a tendency to argue or fight; aggressive.
Example
His bellicose attitude often got him into unnecessary conflicts.
他好战的态度常常让他卷入不必要的冲突。
C2 verb /bɪˈdɛk/

bedeck

装饰
Meaning
to decorate or adorn something in a showy way
Example
The hall was bedecked with flowers for the wedding.
大厅为婚礼装饰了花卉。
C2 adjective /ˈbʌksəm/

buxom

丰满且迷人的女性
Meaning
Plump, with a full figure and often large-breasted, especially used to describe women.
Example
The actress was described as a cheerful and buxom woman.
这位女演员被描述为一个快乐且丰满的女性。
C2 adjective /ˈbuːtləs/

bootless

无用的
Meaning
Useless or futile; of no benefit.
Example
His bootless attempt to fix the machine only wasted time.
他修理机器的无用尝试只是浪费了时间。
C2 verb /bɪˈdræɡəl/

bedraggle

通过把东西拖过泥水或水使其湿，脏和乱
Meaning
to make something wet, dirty, and untidy by dragging it through mud or water
Example
The children came home bedraggled after playing in the rain.
孩子们在雨中玩耍后，湿漉漉脏兮兮地回家了。
C2 adjective /blaɪð/

blithe

漫不经心
Meaning
Showing a casual and cheerful indifference considered improper or carefree happiness.
Example
She had a blithe disregard for the rules.
她对规则的漠视毫不在意。
C2 verb /ˈbækbaɪt/

backbite

背后说坏话
Meaning
to speak negatively about someone who is not present; to slander behind someone’s back
Example
It is wrong to backbite your colleagues behind their backs.
在背后说同事的坏话是不对的。
C2 noun /ˈbɑːrtərər/

barterer

易货商
Meaning
A person who trades goods or services without using money.
Example
The barterer exchanged fruits for some pottery.
易货商用水果交换了一些陶器。
C2 adjective /ˈbʊərɪʃ/

boorish

粗鲁
Meaning
Rude, insensitive, and lacking manners or refinement.
Example
His boorish behavior ruined the dinner party.
他的粗鲁行为毁了晚宴。
C2 adjective /bjuːˈkɒlɪk/

bucolic

田园
Meaning
Relating to the pleasant aspects of the countryside and country life.
Example
They enjoyed a bucolic picnic by the river.
他们在河边享受了一次田园式的野餐。
C2 verb /bɪˈleɪbər/

belabor

Meaning
to argue or elaborate on a subject in excessive detail; to attack verbally or physically
Example
The professor belabored the point until the students grew restless.
C2 adjective /bɪˈhoʊldən/

beholden

感激或负债
Meaning
indebted or obliged to someone for a service or help
Example
He felt beholden to his mentor for all the guidance.
他对他的导师感到感激，因为得到所有的指导。
C2 noun /ˈbuː.jɒ̃/

bouillon

高汤
Meaning
A clear, seasoned broth made by simmering meat, fish, or vegetables in water.
Example
She added vegetables to the bouillon for extra flavor.
她在高汤中加入了蔬菜以增强味道。
C2 verb /bɪˈmjuːz/

bemuse

使困惑
Meaning
To confuse or puzzle someone.
Example
The complex instructions bemused the new employees.
复杂的指令使新员工困惑。
C2 verb /bɪˈweɪl/

bewail

哀叹
Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
她哀叹失去了童年的家。
C2 verb /beɪst/

baste

在烹饪过程中将融化的脂肪、肉汁或液体倒在肉上，保持其湿润
Meaning
to pour or brush melted fat, juices, or liquid over meat during cooking to keep it moist
Example
She basted the turkey every 30 minutes to keep it juicy.
她每30分钟给火鸡加油，以保持它的多汁。
C2 noun /ˌbʌkəˈnɪər/

buccaneer

海盗
Meaning
a pirate, especially one active in the Caribbean during the 17th and 18th centuries
Example
The buccaneer sailed across the Caribbean in search of treasure.
这位海盗在加勒比海中航行，寻找宝藏。
C2 noun /ˈbrɒŋkəs/

bronchus

支气管
Meaning
either of the two main branches of the trachea that lead directly into the lungs
Example
The left bronchus carries air into the left lung.
左支气管将空气输送到左肺。
C2 verb, noun /blæb/

blab

胡说；泄露秘密
Meaning
to talk too much or reveal secrets carelessly; excessive or foolish talk
Example
He accidentally blabbed the surprise to everyone.
他不小心把惊喜告诉了大家。
C2 noun /bəˈkuːl/

Bakul

巴库尔花
Meaning
a fragrant white flower native to South Asia, scientifically known as Mimusops elengi
Example
The sweet fragrance of bakul flowers filled the evening air in the village.
巴库尔花的甜美香气弥漫在村庄的傍晚空气中。
C2 noun /ˌbluː ˈblʌd/

Blue-blood

蓝血
Meaning
a person of noble birth; aristocrat
Example
She came from a family of blue-bloods with centuries of royal heritage.
她来自一个拥有数百年王室遗产的蓝血家族。
C2 noun /ˈblændɪʃmənt/

blandishment

恭维
Meaning
flattering or pleasing statement or action used to persuade someone gently
Example
She used every blandishment to win his support.
她用了所有的恭维来赢得他的支持。
C2 adjective /ˈbeɪlfəl/

baleful

威胁的
Meaning
Threatening harm; menacing or expressing hatred.
Example
She gave him a baleful look after the insult.
侮辱之后，她朝他投去一个威胁的眼神。
C2 adjective /bɒmˈbæstɪk/

bombastic

浮夸
Meaning
using pompous or inflated language with little meaning
Example
The professor’s bombastic lecture impressed no one.
教授那场浮夸的讲座没有给任何人留下深刻印象。
C2 verb /bɪˈtroʊð/

betroth

订婚
Meaning
To formally promise to marry someone; to engage.
Example
He was betrothed to the princess at a young age.
他在年轻时就与公主订婚了。
C2 noun /bɪˈtroʊðəl/

betrothal

订婚
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
他们的订婚在整个村庄宣布。
C2 noun /ˈbiː.təl nʌt/

Betel-nut

槟榔
Meaning
seed of the areca palm tree, often chewed as a stimulant
Example
Betel-nut is commonly chewed in many South Asian countries.
槟榔在许多南亚国家是常见的咀嚼物。
C2 noun /ˌbrɪɡ.əˈdɪər/

brigadier

布里加迪尔
Meaning
A military officer rank, usually commanding a brigade.
Example
The brigadier inspected the troops before the parade.
布里加迪尔在游行前检查了部队。
C2 adverb /bɪˈtaɪmz/

betimes

早早
Meaning
early; in good time
Example
She rose betimes to finish her work.
她早起以完成工作。
C2 adjective /blɑːˈzeɪ/

blase

冷漠, 不感兴趣
Meaning
unimpressed or indifferent to something because it has been experienced so often before
Example
After years of luxury travel, she felt blase about another trip to Paris.
经过多年的奢华旅行，她对再次前往巴黎的旅行感到漠不关心。
C2 adjective /ˈboʊvaɪn/

bovine

与牛相关的
Meaning
relating to cattle; showing a dull or sluggish nature
Example
Her bovine expression revealed no emotions.
她的牛性表情没有表达任何情感。
C2 adjective /ˈbʌmpʃəs/

bumptious

自负的
Meaning
Arrogantly self-assertive or conceited.
Example
The bumptious student interrupted the teacher several times.
那个自负的学生打断了老师好几次。
C2 noun /bəˈfuːnəri/

buffoonery

小丑行为
Meaning
Foolish or ridiculous behavior intended to amuse.
Example
His constant buffoonery irritated the serious audience.
他不断的小丑行为激怒了严肃的观众。
C2 noun /breɪ/

brae

山坡
Meaning
A hillside or slope, especially in Scotland.
Example
They climbed up the grassy brae to see the sunset.
他们爬上了长满草的山坡去看日落。
C2 verb /bɪˈsiːtʃ/

beseech

恳求
Meaning
To ask someone urgently and fervently to do something; to beg.
Example
He beseeched the judge for mercy.
他恳求法官宽恕。
C2 adjective /ˈbɪbjələs/

bibulous

醉鬼
Meaning
Excessively fond of drinking alcohol.
Example
His bibulous habits worried his family.
他的醉鬼习惯让他的家人很担心。
C2 noun /ˌbeɪt ˈnwɑːr/

bete noire

令人讨厌的事物
Meaning
A person or thing that one particularly dislikes or fears.
Example
Grammar has always been his bete noire.
语法一直是他的贝特诺尔。
C2 adjective /ˈbɔːdi/

bawdy

猥亵
Meaning
humorously indecent or obscene, often in a sexual way
Example
The comedian’s bawdy jokes made the audience laugh and blush.
喜剧演员的猥亵笑话让观众笑了并且脸红。
C2 noun /ˈbɔːl.səm ˈæp.əl/

Balsam apple

苦瓜
Meaning
a bitter gourd vegetable with a bumpy green skin, also known as bitter melon
Example
Balsam apple is cooked with spices to reduce its bitter taste.
苦瓜用香料烹饪，以减少其苦味。
C2 noun /bəˈfuːn/

buffoon

小丑
Meaning
A ridiculous but amusing person; a clown or jester.
Example
He acted like a buffoon at the party, making everyone laugh.
他在派对上像个小丑一样表演，让每个人都笑了。
C2 verb /bɪˈdɔːb/

bedaub

涂抹
Meaning
to smear or cover with a sticky or dirty substance
Example
The children bedaubed the wall with paint.
孩子们用油漆涂抹了墙。
C2 noun /briːtʃ/

breech

Meaning
The back part of a gun barrel; a position of a baby in the womb where the buttocks or feet come out first at birth.
Example
The rifle was loaded through the breech.
C2 noun /ˈbrɪk ə ˌbræk/

bric-a-brac

小装饰品
Meaning
Small decorative objects or ornaments, often of little value.
Example
The shelves were filled with old bric-a-brac from her travels.
架子上堆满了她旅行时带回来的旧装饰品。