Bead
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B2 noun /biːd/

Bead

ビーズ
Meaning
a small round object with a hole through it for threading
Example
She made a necklace with colorful beads.
彼女はカラフルなビーズでネックレスを作った。
C2 adjective /ˈbrɔːni/

brawny

筋肉質な
Meaning
Physically strong and muscular.
Example
The brawny man lifted the heavy box with ease.
その筋肉質の男性は重い箱を軽々と持ち上げた。
B2 verb /briːd/

breed

繁殖する, 飼育する
Meaning
to produce young animals; to reproduce; to keep animals for producing young
Example
They breed horses on their farm.
彼らは農場で馬を育てています。
B1 noun /ˈbeɪsɪs/

basis

基礎
Meaning
the underlying support or foundation for an idea, argument, or process
Example
Trust is the basis of any strong relationship.
信頼は強い関係の基礎です。
B2 noun /biːk/

Beak

くちばし
Meaning
the hard pointed part of a bird's mouth
Example
The eagle has a sharp beak for tearing meat.
ワシは肉を引き裂くために鋭いくちばしを持っています。
C2 verb /bɪˈweɪl/

bewail

嘆き悲しむ
Meaning
to express deep sorrow or regret over something; to mourn openly
Example
She bewailed the loss of her childhood home.
彼女は子どもの頃の家を失ったことを嘆き悲しんだ。
C1 noun /ˈbɛərnəs/

bareness

裸の状態
Meaning
the state of being bare or uncovered; lack of decoration, warmth, or concealment
Example
The bareness of the room made it feel cold and unwelcoming.
部屋の裸の状態が冷たく居心地の悪い感じを与えた。
C2 verb /bɪˈliːɡər/

beleaguer

包囲する, 困らせる
Meaning
to cause difficulties, troubles, or harassment; to surround with military forces
Example
The company was beleaguered by constant complaints from its customers.
その会社は顧客からの絶え間ない苦情で包囲されていた。
A2 noun /brʌʃ/

Brush

ブラシ
Meaning
a tool with bristles used for cleaning, painting, or grooming
Example
I brush my teeth every morning with a soft brush.
私は毎朝柔らかいブラシで歯を磨きます。
B1 verb /ˈbɔːrdɪŋ/

boarding

搭乗
Meaning
Getting on or into a ship, aircraft, or other vehicle.
Example
The explorers were boarding the ship at the port.
探検家たちは港で船に乗り込んでいた。
A2 noun /bɑːθ/

Bath

お風呂; 浴槽
Meaning
the act of washing one's body; a container for bathing
Example
I take a hot bath every evening.
私は毎晩、熱いお風呂に入ります。
B2 adjective /boʊld/

Bold

大胆; 自信; 勇敢
Meaning
brave; confident; daring
Example
He made a bold decision to start his own business.
彼は自分のビジネスを始めるために大胆な決断を下しました。
C2 adjective /ˈblæs.fə.məs/

blasphemous

冒涜的
Meaning
showing disrespect or lack of reverence for God or sacred things
Example
The book was banned for its blasphemous content.
その本は冒涜的な内容のため禁止されました。
A2 noun /bænd/

band

バンド
Meaning
a group of musicians who play music together
Example
The band performed live at the concert.
バンドはコンサートでライブパフォーマンスをしました。
C2 adjective /ˈbrætɪʃ/

brattish

わがまま
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.
わがままな男の子は、おもちゃがもらえなかったときに駄々をこねました。
C1 noun /bəˈtæljən/

battalion

大隊
Meaning
A large body of soldiers ready for battle, typically consisting of several companies.
Example
The battalion was deployed to the front line.
その大隊は前線に展開されました。
C1 verb /bɪˈstoʊ/

bestow

授与する
Meaning
To give or present something as a gift or honor.
Example
The king bestowed honors upon the brave soldiers.
王は勇敢な兵士に栄誉を授けました。
C2 noun /ˈbrɒŋkəs/

bronchus

気管支
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.
左気管支は左肺に空気を運びます。
C2 noun /ˈbɜːrɡər/

burgher

市民（裕福な中産階級）
Meaning
A citizen of a town, typically a member of the wealthy middle class.
Example
The burgher was respected as a prosperous merchant in the city.
その市民は、町で繁栄している商人として尊敬されていました。
C2 noun /ˈbɛnɪsən/

benison

祝福
Meaning
A blessing or benefit.
Example
The rain was a benison for the drought-stricken farmers.
その雨は干ばつに苦しむ農民たちにとって祝福でした。
A2 noun /belt/

Belt

ベルト
Meaning
a strip of leather or cloth worn around the waist to support clothes or for decoration
Example
He tightened his belt before going for a run.
彼は走りに行く前にベルトを締めました。
A1 noun /bɜːrd/

bird

鳥
Meaning
a warm-blooded animal with feathers and wings that usually lays eggs and can often fly
Example
A bird was singing on the tree branch.
鳥が木の枝で歌っていました。
C2 verb /ˈbɜːrdʒən/

burgeon

急速に成長する
Meaning
To grow or develop rapidly; to flourish.
Example
The city's population began to burgeon after the new factory opened.
新しい工場が開設されてから、都市の人口は急速に増加し始めました。
C2 noun /ˈbrɪk ə ˌbræk/

bric-a-brac

小さな装飾品
Meaning
Small decorative objects or ornaments, often of little value.
Example
The shelves were filled with old bric-a-brac from her travels.
棚は彼女の旅行から持ち帰った古い小さな装飾品でいっぱいだった。
B1 noun /ˌbækˈjɑːrd/

backyard

幸せ
Meaning
an area of land behind a house, typically used for recreation or gardening
Example
The children played football in the backyard.
彼女は賞を受け取ったとき、自分の幸せを隠すことができませんでした。
B1 noun ˈbaʊndəri

boundary

境界
Meaning
A line that marks the limits of an area; a dividing line.
Example
The river marks the boundary.
川が境界を示します。
A1 adjective /bæd/

bad

悪い
Meaning
not good; unpleasant, harmful, or of poor quality
Example
The milk smells bad, so don’t drink it.
牛乳は悪臭がするので飲まないでください。
C1 noun /bɜːrθ/

Berth

寝台; 船、列車、または他の乗り物で寝る場所
Meaning
a sleeping place in a ship, train, or other vehicle; a place where a ship can dock
Example
I booked an upper berth on the overnight train.
私は夜行列車で上段の寝台を予約しました。
C2 noun brəˈvɑː.dəʊ

bravado

実際ではない勇気や自信の誇示
Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
彼のブラヴァードはパフォーマンス前の緊張を隠していた。
C2 adjective /blɑːˈzeɪ/

blase

無関心, 無感動
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.
何年もの贅沢な旅行の後、彼女はパリへの別の旅行に対して無関心を感じた。
C1 adjective /bɪˈnaɪn/

benign

Meaning
Gentle, kind, or not harmful (especially of a disease or tumor).
Example
The doctor assured her that the tumor was benign.
C1 adjective bəˈnev.əl.ənt

benevolent

慈悲深い, 寛大な, 親切な
Meaning
Kind, generous, showing goodwill and kindness.
Example
His benevolent nature made him beloved.
彼の寛大な性格は彼をとても愛される人にしました。
A1 noun /ˈbɜːrθ.deɪ/

birthday

Meaning
the anniversary of the day on which a person was born, typically celebrated annually
Example
We are planning a surprise birthday party for her.
A2 noun ˈbæl.əns

balance

バランス
Meaning
A condition in which different elements are equal or in the correct proportions.
Example
Balance among powers prevents conflicts.
権力のバランスは対立を防ぎます。
C2 noun /ˈbɛvi/

bevy

群れ, グループ
Meaning
A large group of people or things of a particular kind.
Example
A bevy of swans floated on the lake.
一群の白鳥が湖を泳いでいた。
B2 noun /ˈbʌf.ə.loʊ/

Buffalo

バッファロー
Meaning
a large wild ox with heavy horns; American bison
Example
The buffalo grazed peacefully in the meadow.
バッファローは草原で平和に草を食べていた。
B2 noun/verb /bʌk/

buck

Meaning
A male deer; also to resist or oppose strongly.
Example
The horse began to buck wildly as the rider tried to hold on.
B2 adverb /ˈblʌnt.li/

Bluntly

率直に; ぶっきらぼうに
Meaning
in a direct way without trying to be polite; frankly
Example
He told her bluntly that she was wrong.
彼は彼女に正直に間違っていると言った。
B2 verb /blɪŋk/

blink

まばたきする
Meaning
to close and open the eyes quickly.
Example
She blinked rapidly to clear the dust from her eyes.
彼女は目からほこりを取り除くために素早く瞬きをした。
B2 noun, verb /bʌt/

butt

Meaning
to hit or push with the head or horns; the end part of something, especially a cigarette
Example
The goat butted the fence with its horns.
C1 noun/verb /ˈbæntər/

banter

冗談
Meaning
playful and friendly exchange of teasing remarks
Example
The colleagues enjoyed some light banter during the meeting.
同僚たちは会議中に軽いバンターを楽しんだ。
C1 noun /blɜːrb/

blurb

宣伝文
Meaning
a short promotional description of a book, product, or service
Example
The back cover had a blurb praising the novel.
本の裏表紙にはその小説を称賛する宣伝文があった。
B2 noun /brum/

Broom

ほうき
Meaning
a long-handled brush of bristles or twigs, used for sweeping
Example
She used an old broom to sweep the fallen leaves from the porch.
彼女は古いほうきを使って、ポーチから落ちた葉を掃きました。
B1 verb /braʊz/

browse

ブラウズする
Meaning
To look at or skim through casually, especially online or in a store
Example
She likes to browse books in the library.
彼女は図書館で本をブラウズするのが好きです。
A1 verb /bɪˈɡɪn/

begin

始める
Meaning
to start doing something; to commence
Example
I will begin my studies tomorrow.
私は明日勉強を始めます。
B2 noun /ˈbɪtərnəs/

Bitterness

苦味
Meaning
anger and disappointment at being treated unfairly; resentment; a sharp, unpleasant taste
Example
She spoke with bitterness about her former employer.
彼女は前の雇用主について苦々しさを持って話しました。
C2 noun /ˌbɪbliəʊˈmeɪniə/

bibliomania

ビブリオマニア
Meaning
An extreme obsession with collecting or possessing books.
Example
His bibliomania led him to fill every room with books.
彼のビブリオマニアは、彼を本で部屋をいっぱいにさせた。
A2 noun /bɪɡ boʊl/

Big bowl

大きなボウル
Meaning
a large, round, shallow container used for serving food, mixing ingredients, or washing
Example
She mixed the ingredients in a big bowl.
彼女は大きなボウルで材料を混ぜました。
C2 noun /ˈbriːtʃɪz/

Breeckes

膝丈パンツ
Meaning
knee-length trousers; short pants
Example
He wore riding breeches for the equestrian event.
彼は馬術イベントのために膝丈パンツを履いていました。
C2 noun /bəˈfuːnəri/

buffoonery

ばかげた行動
Meaning
Foolish or ridiculous behavior intended to amuse.
Example
His constant buffoonery irritated the serious audience.
彼の絶え間ないばかげた行動は真剣な観客をイライラさせた。
C1 adjective, noun /ˈbʊrʒ.wɑː/

bourgeois

ブルジョア
Meaning
Relating to the middle class, often with materialistic values or conventional attitudes.
Example
The novel criticizes the bourgeois lifestyle of the city dwellers.
その小説は都市住民のブルジョア生活様式を批判している。
C1 noun /ˈbæs.ti.ən/

bastion

要塞, 防衛拠点
Meaning
a stronghold or fortification; a place or institution strongly defending particular principles
Example
The castle stood as a bastion against enemy attacks.
その城は敵の攻撃に対する要塞として立っていました。
B2 noun, verb /ˈblækmeɪl/

blackmail

脅迫する
Meaning
the act of demanding money or advantage by threatening to reveal secrets; to force someone to act by using such threats
Example
He tried to blackmail her by threatening to reveal the documents.
彼は書類を公表すると脅して彼女を脅迫しようとした。
C1 verb /ˈbɑːrtər/

barter

Meaning
To exchange goods or services without using money.
Example
They bartered their crops for handmade tools.
C2 verb /ˈbraʊˌbiːt/

browbeat

脅す / 強制する
Meaning
To intimidate or bully someone into doing something
Example
The lawyer tried to browbeat the witness.
弁護士は証人を脅しつけようとした。
A2 noun/verb /ˈbʌdʒɪt/

budget

予算
Meaning
An estimate of income and expenditure for a set period of time; to plan expenses and income.
Example
The family created a budget to manage their expenses.
家族は支出を管理するために予算を作成しました。
B1 noun, verb /bʌz/

buzz

ブーンという音
Meaning
to make a low continuous humming sound; a feeling of excitement or interest
Example
I could hear the phone buzz during the meeting.
会議中に電話がブーンと鳴るのが聞こえた。
C2 adjective /bɪˈfɒɡd/

befogged

混乱した, ぼんやりした
Meaning
Confused or clouded in mind; made unclear like being surrounded by fog.
Example
His mind felt befogged after the long and exhausting meeting.
長く疲れる会議の後、彼の心は混乱しているように感じた。
B1 noun /bʌlb/

bulb

Meaning
a rounded glass part of an electric lamp that produces light when lit; also an underground storage organ in some plants
Example
The light bulb burned out, so she replaced it with a new one.
B1 adverb /ˈbraɪtli/

brightly

明るく
Meaning
in a way that gives off a lot of light; in a vivid, cheerful, or intelligent manner
Example
The stars shone brightly in the clear night sky.
澄んだ夜空に星が明るく輝いていた。
A1 adjective /ˈbɪzi/

busy

忙しい
Meaning
actively engaged in work or activity; occupied
Example
He is too busy to answer the phone.
彼は電話に出るのがあまりにも忙しい。
C2 adjective /ˈbɪloʊɪŋ/

billowing

波打つ
Meaning
Describing something that swells or surges outward in waves or large masses.
Example
She walked through the billowing curtains.
彼女は波打つカーテンを通り抜けた。
B2 verb /bɪˈfrɛnd/

befriend

友達になる
Meaning
to act as a friend to someone; to make friends with
Example
She befriended the new student at school.
彼女は学校で新しい生徒と友達になった。
C2 adjective /ˈbɪz.ən.taɪn/ or /ˈbaɪ.zənˌtiːn/

byzantine

複雑
Meaning
Extremely complicated and detailed; relating to the Byzantine Empire or its style.
Example
The new tax regulations are so byzantine that few understand them.
新しい税法は非常に複雑で、ほとんどの人は理解できません。
A2 noun /bentʃ/

Bench

ベンチ
Meaning
a long seat for several people, typically made of wood or stone
Example
The students sat on the bench.
学生たちはベンチに座った。
C1 verb /bɒtʃ/

botch

失敗する
Meaning
to carry out a task badly or carelessly
Example
He completely botched the repair job.
彼は修理の仕事を完全に失敗させた。
B1 noun /boʊ/

Bow

弓
Meaning
a weapon for shooting arrows, made of a curved piece of wood
Example
The archer drew his bow and aimed at the target.
射手は弓を引いて、ターゲットを狙った。
A2 phrasal verb /bæk ʌp/

back up

支援する；バックアップする；後退する
Meaning
to support or help someone; to make a copy of data for safety; to move backward
Example
Please back up your files before updating the system.
システムを更新する前にファイルをバックアップしてください。
C2 noun /ˌbaɪ.oʊ.rɪˌmiː.diˈeɪ.ʃən/

bioremediation

バイオレメディエーション
Meaning
The use of living organisms to neutralize or remove environmental contaminants.
Example
Bioremediation helps remove toxins from polluted soil.
バイオレメディエーションは汚染された土壌から毒素を取り除くのに役立ちます。
C1 noun /ˈbeɪsbɔːrd/

baseboard

基板
Meaning
A narrow board running along the bottom of an interior wall, covering the joint between wall and floor.
Example
The carpenter painted the baseboard white.
大工は基板を白く塗った。
A2 noun /ˈbɪznəsˌwʊmən/

businesswoman

実業家の女性
Meaning
a woman who works in business, especially one who owns or manages a company
Example
The businesswoman expanded her company into international markets.
その実業家の女性は会社を国際市場へ拡大した。
A1 noun /ˈbɒt.əl/

Bottle

ボトル
Meaning
a container with a narrow neck, typically made of glass or plastic, used for storing liquids
Example
She drank water from a plastic bottle.
彼女はプラスチックのボトルから水を飲んだ。
B1 noun /bɪərd/

Beard

ひげ
Meaning
hair that grows on the chin and lower cheeks of a man's face
Example
He grew a long beard during the winter months.
彼は冬の間に長いひげを伸ばしました。
B1 adverb /bɪˈniːθ/

Beneath

下; 下方
Meaning
under; below; underneath
Example
The treasure lies beneath the old tree.
宝物は古い木の下にあります。
C1 noun /ˌbɪbliˈɒɡrəfi/

bibliography

参考文献リスト
Meaning
a list of books, articles, or other sources used or referred to in scholarly work
Example
The report includes a detailed bibliography at the end.
レポートには最後に詳細な参考文献リストが含まれています。
B2 noun /bent/

Bent

傾向; 特徴
Meaning
a natural inclination or talent; a strong interest or liking for something
Example
She has a natural bent for music and art.
彼女は音楽と芸術に自然な傾向があります。
C2 verb, noun /blæb/

blab

ぺらぺら話す；秘密を漏らす
Meaning
to talk too much or reveal secrets carelessly; excessive or foolish talk
Example
He accidentally blabbed the surprise to everyone.
彼はうっかりサプライズをみんなに話してしまった。
B2 adjective /ˈbʌmpi/

Bumpy

でこぼこした; ざらざらした
Meaning
having an uneven surface; rough; jolting
Example
The bumpy road made the car ride very uncomfortable.
でこぼこした道で車の乗り心地はとても不快だった。
C1 noun /ˈbʌrə, ˈbʊrə/

borough

区
Meaning
A town, district, or administrative division, especially one with its own local government.
Example
Brooklyn is a borough of New York City.
ブルックリンはニューヨーク市の区です。
A2 verb /beɪk/

bake

焼く
Meaning
to cook food using dry heat, usually in an oven
Example
She baked a cake for her friend's birthday.
彼女は友達の誕生日のためにケーキを焼きました。
C2 adjective /ˌbækəˈneɪliən/

bacchanalian

酔っ払いの祭りに関連する
Meaning
Characterized by or involving drunken revelry.
Example
The students threw a bacchanalian party after the exams.
学生たちは試験後に酔っ払いの祭りを開いた。
B2 adverb /ˈbɪt.ə.li/

Bitterly

ひどく; 激しく
Meaning
in an angry, hurt, or resentful way; extremely; severely
Example
She complained bitterly about the unfair treatment.
彼女は不公平な扱いについてひどく不満を言った。
C1 adjective /bɪˈrɛft/

bereft

失われた
Meaning
Deprived of or lacking something, especially a nonmaterial asset.
Example
After the betrayal, he felt bereft of hope and trust.
裏切りの後、彼は希望と信頼を失ったと感じた。
C1 verb /bɪˈhɛd/

behead

斬首する
Meaning
to cut off a person's or animal's head; to remove the leader or most important part
Example
The historical account describes how the traitor was beheaded as punishment.
歴史的記録は、罰として裏切り者が斬首された様子を描写している。
B1 verb /baʊns/

bounce

跳ね返る
Meaning
to spring back after hitting something; to rebound.
Example
The ball bounced off the wall and hit the window.
ボールは壁に当たって跳ね返り、窓に当たりました。
C2 noun /ˌbræɡəˈdoʊʃioʊ/

braggadocio

自慢話
Meaning
boastful or arrogant behavior; empty boasting
Example
His endless braggadocio annoyed everyone at the party.
彼の終わりのない自慢話はパーティーの皆をイライラさせた。
B1 noun ˈbæl.ənst daɪ.ət

balanced diet

バランスの取れた食事
Meaning
A diet consisting of the proper quantities and proportions of foods needed to maintain health or growth.
Example
A balanced diet is essential for maintaining good health.
バランスの取れた食事は健康維持に不可欠です。
C1 verb /ˈbəʊl.stər/

bolster

強化する
Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
新しい政策は経済成長を強化することを目的としています。
C1 adjective /ˈbær.ən/

Barren

不毛の; 荒涼とした; 生産性がない; 不生産的
Meaning
sterile; unable to produce; desolate; unproductive
Example
The barren desert stretched for miles without any vegetation.
荒れ果てた砂漠は何マイルも広がり、植物は一切なかった。
B2 noun /ˈbænər/

banner

Meaning
a large printed sign used for advertisements or announcements
Example
The company displayed a banner to advertise their new product.
C2 noun /ˈbʊlwərk/

bulwark

防壁
Meaning
A strong wall or defensive structure; something that provides protection or support.
Example
The fortress walls served as a bulwark against enemy attacks.
砦の壁は敵の攻撃に対する防壁として機能していた。
B2 noun /ˈbrɔːd.bænd/

broadband

ブロードバンド
Meaning
a high-capacity transmission technique using a wide range of frequencies.
Example
Broadband internet has become a necessity in modern homes.
ブロードバンドインターネットは現代の家庭で必需品となっています。
C1 verb /bɪˈɡɛt/

beget

生む / 引き起こす
Meaning
to bring about or give rise to; to father or produce
Example
Violence begets more violence.
暴力はさらなる暴力を生む。
B2 adjective /ˌbaɪˈlɪŋɡwəl/

bilingual

バイリンガル
Meaning
Able to speak two languages fluently.
Example
She grew up in a bilingual household speaking both English and Spanish.
彼女はバイリンガルの家庭で育ち、英語とスペイン語の両方を話しました。
C2 adjective /bəˈθɛt.ɪk/

bathetic

取るに足りない感情
Meaning
displaying insincere or trivial emotion; producing an unintended ridiculous effect through sudden change from serious to silly
Example
The movie's ending was unintentionally bathetic rather than tragic.
映画の結末は悲劇的ではなく、取るに足りないものでした。
C2 verb /bɪˈɡaɪl/

beguile

魅了する / 欺いて引きつける
Meaning
to charm or enchant someone, often in a deceptive way
Example
She beguiled the audience with her storytelling.
彼女はストーリーテリングで観客を魅了した。
A1 noun /ˈbeɪbi/

baby

赤ちゃん
Meaning
a very young child, especially one newly or recently born
Example
The baby is sleeping peacefully in the crib.
赤ちゃんはベビーベッドで静かに寝ています。
C1 verb /ˈbɪkər/

bicker

些細なことで言い争う
Meaning
To argue or quarrel about trivial matters.
Example
The children began to bicker over the last piece of cake.
子供たちは最後のケーキの一切れをめぐって言い争いを始めた。
B2 noun ˈbluː.prɪnt

blueprint

設計図
Meaning
A detailed plan or framework for a work or project, a pre-planned structure.
Example
The architect presented a blueprint for the new building.
建築家は新しい建物のために設計図を提示しました。
B2 interjection /ˈbrɑː.voʊ/

bravo

ブラボー
Meaning
used to express approval, admiration, or praise
Example
The audience shouted 'Bravo!' after the stunning performance.
観客は素晴らしいパフォーマンスの後で「ブラボー！」と叫びました。
B2 noun ˈbʌtərflaɪ ˌpɒpjəˈleɪʃən

Butterfly Population

蝶の個体数
Meaning
The total number of butterflies in a particular area or ecosystem.
Example
The butterfly population is declining due to habitat loss.
蝶の個体数は生息地の喪失によって減少しています。
A2 verb /bleɪm/

blame

非難する
Meaning
to hold responsible for a fault; to find fault with
Example
Don't blame me for the mistake.
間違いを私に責めないでください。
C2 noun /ˈbɒdɪs/

bodice

コルセット
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.
彼女は刺繍が施されたコルセット付きのドレスを着ていた。
C2 adjective /ˈbʌsti/

busty

胸が豊かな
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.
その女優はファッション雑誌でよく胸が豊かなと表現された。
C2 noun /ˈbærəˌɡræf/

barograph

大気圧の変化を記録する機器
Meaning
an instrument that records changes in atmospheric pressure
Example
The scientist checked the barograph for pressure variations.
科学者は圧力の変動を調べるためにバログラフを確認した。
B2 noun /ˈbærəl/

barrel

大樽
Meaning
a large cylindrical container used to hold liquids
Example
The wine was stored in a wooden barrel.
ワインは木製の大樽に保管されていた。
B2 noun, verb /ˈbʌŋkər/

bunker

地下壕
Meaning
a reinforced underground shelter; to place or store something in a protected place
Example
They hid in a bunker during the air raid.
空襲の間、彼らは地下壕に隠れた。
B1 noun /ˈbæŋkɪŋ/

banking

銀行業務または銀行サービス
Meaning
the business or services provided by a bank
Example
Online banking has made financial transactions easier.
オンラインバンキングは金融取引を簡単にしました。
A2 preposition /bɪˈsaɪd/

beside

隣に
Meaning
next to or at the side of someone or something
Example
She sat beside her best friend during the ceremony.
彼女は式の間、最良の友達の隣に座っていました。
A2 adjective /breɪv/

brave

勇敢な
Meaning
showing courage in the face of danger or difficulty
Example
The brave firefighter rushed into the burning building.
勇敢な消防士が燃える建物に飛び込んだ。
C2 noun /ˈbræɡərt/

braggart

自慢屋
Meaning
a person who boasts about achievements or possessions
Example
No one liked him because he was such a braggart.
誰も彼を好きではなかった、なぜなら彼は大きな自慢屋だったから。
C1 noun /bəˈtɒn/

baton

Meaning
A thin stick carried by a conductor to direct an orchestra, or used as a symbol of authority.
Example
The conductor raised his baton to begin the symphony.
A2 adverb /ˈbæk.wərdz/

Backwards

逆さま; 逆順
Meaning
in the direction that is behind; in reverse order
Example
He counted backwards from ten to one.
彼は十から一まで逆さに数えました。
B2 verb /bræɡ/

brag

自慢する
Meaning
to talk proudly about oneself or one's achievements in an annoying way
Example
He always brags about his expensive car.
彼はいつも高価な車について自慢している。
B2 adjective /brɪsk/

Brisk

活発な; 速い; 元気な
Meaning
quick and energetic; lively; vigorous
Example
She took a brisk walk in the morning to feel energized.
彼女は朝、元気を感じるために活発に歩いた。
C1 adjective /ˈbeɪs.ləs/

Baseless

根拠のない; 事実無根の; 無根拠の
Meaning
without foundation; groundless; unfounded
Example
The accusations against him were completely baseless.
彼に対する告発は完全に根拠のないものでした。
B1 noun /ˈbaɪbəl/

bible

聖書
Meaning
the Christian scriptures consisting of the Old and New Testaments; also used for any authoritative book
Example
She reads the Bible every morning.
彼女は毎朝聖書を読みます。
C1 verb /ˈbʌŋɡəl/

bungle

台無しにする
Meaning
To carry out a task clumsily or incompetently.
Example
He bungled the presentation and confused the audience.
彼はプレゼンテーションを台無しにし、聴衆を混乱させました。
B2 verb/noun /buː/

boo

Meaning
To show disapproval by shouting 'boo'; or a sound made to surprise or scare.
Example
The audience began to boo the bad performance.
C2 verb /bɪˈstraɪd/

bestride

支配する
Meaning
To sit or stand astride something; to dominate over.
Example
The statue bestrides the city square.
その像は都市広場を支配しています。
C1 adjective /ˈbaɪtɪŋ/

Biting

噛む; 鋭い寒さ; 厳しい批評
Meaning
extremely cold; sharply critical or harsh
Example
The biting cold made everyone shiver.
鋭い寒さで皆が震えた。