decadence
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C1 noun /ˈdek.ə.dəns/

decadence

堕落
Meaning
Moral or cultural decline characterized by excessive indulgence in pleasure or luxury.
Example
The novel describes the decadence of the wealthy elite.
その小説は裕福なエリートの堕落を描いています。
C2 noun /ˌsæv.wɑːr ˈfeər/

savoir-faire

社交術
Meaning
The ability to act or speak appropriately in social situations; polished social skills.
Example
She handled the delicate situation with remarkable savoir-faire.
彼女は見事な社交術で微妙な状況をうまく処理しました。
B1 noun /ˈæmətər/

amateur

アマチュア
Meaning
A person who engages in a pursuit, especially a sport or art, on an unpaid basis.
Example
The painting looked impressive, even though it was done by an amateur.
その絵画は印象的に見えましたが、アマチュアによって描かれました。
C1 adjective /ɡroʊˈtɛsk/

grotesque

Meaning
comically or repulsively ugly or distorted
Example
The sculpture was so grotesque that it frightened the children.
B2 noun /doʊs/

dose

用量
Meaning
a measured amount of a medicine or drug taken at one time
Example
The doctor prescribed one dose of the medicine every six hours.
医者は6時間ごとに1回薬のドーズを処方しました。
C2 noun /ˌrɛtroʊˈɡrɛʃən/

retrogression

後退
Meaning
a return to a worse or less developed state
Example
The country experienced economic retrogression after the crisis.
国は危機後、経済的な後退を経験しました。
C2 adjective /kɒnˈsæŋɡwɪn/

consanguine

血縁関係の
Meaning
Of the same blood or origin; related by birth.
Example
The two families were consanguine through their grandparents.
二つの家族は彼らの祖父母を通じて血縁関係にあった。
C2 noun /bɪˈtroʊðəl/

betrothal

婚約
Meaning
The formal engagement to be married.
Example
Their betrothal was announced to the whole village.
彼らの婚約は村中に発表されました。
C1 noun /moʊˈzeɪɪk/

mosaic

Meaning
A picture or pattern produced by arranging together small pieces of stone, tile, or glass.
Example
The church ceiling was decorated with a beautiful mosaic.
A1 verb /ˈhæpən/

happen

起こる
Meaning
to occur or take place; to come about by chance
Example
What happened at the meeting yesterday?
昨日の会議で何が起こったのですか？
B2 verb /əˈkʌmpəni/

accompany

同行する
Meaning
to go somewhere with someone as a companion or escort
Example
She asked her friend to accompany her to the concert.
彼女は友達にコンサートに一緒に行ってほしいと頼んだ。
C2 noun, adjective /ɪˈklɪptɪk/

ecliptic

黄道
Meaning
The apparent path of the sun across the sky; relating to eclipses or this path.
Example
The ecliptic is the plane of Earth's orbit around the Sun.
黄道は地球の太陽の周りの軌道の平面です。
B1 adverb /ɪnˈkrɛdɪbli/

incredibly

信じられないほど
Meaning
to a great degree; extremely or unbelievably
Example
The view from the top of the mountain was incredibly beautiful.
山頂からの景色は信じられないほど美しかった。
B1 noun /ˈpɑːrləmənt/

parliament

議会
Meaning
the highest legislative body in a country
Example
The bill was passed in parliament after a long debate.
その法案は議会で長時間の議論の後に通過しました。
A2 noun /ˈsen.tər/

center

センター
Meaning
A place or building designated for a particular activity or service.
Example
The first robotic surgery center was established in Rangpur.
最初のロボット手術センターはランプールに設立されました。
C1 adjective /ˈskwɒlɪd/

squalid

非常に汚い
Meaning
extremely dirty and unpleasant, often due to poverty or neglect
Example
He lived in a squalid room with broken furniture.
彼は壊れた家具のある汚い部屋に住んでいた。
B1 verb /ræp/

wrap

包む
Meaning
to cover something completely with paper or cloth; to enclose
Example
Please wrap the gift in colorful paper.
プレゼントをカラフルな紙で包んでください。
C1 verb /ˈʃʌdər/

shudder

震える
Meaning
to tremble or shake suddenly, often due to fear, cold, or strong emotion
Example
She shuddered at the thought of walking alone in the dark forest.
彼女は暗い森を一人で歩くことを考えただけで震えた。
B1 noun ɡreɪt wɔːl əv ˈtʃaɪ.nə

Great Wall of China

万里の長城
Meaning
A massive ancient fortification system in China, built to protect against invasions and considered one of the most famous landmarks in the world.
Example
The Great Wall of China is one of the most famous landmarks in the world.
万里の長城は世界で最も有名なランドマークの一つです。
B1 adjective ˈʃɔːrt.tɜːrm

short-term

短期的な
Meaning
Occurring over or involving a relatively short period of time.
Example
Investing in stocks can yield short-term profits.
株に投資することで短期的な利益を得ることができる。
B1 adjective /ˈmɪzərəbəl/

Miserable

惨め; 不幸; 苦しみを引き起こす
Meaning
very unhappy; wretched; causing suffering
Example
He felt miserable after losing his job.
彼は仕事を失った後、ひどく落ち込んでいました。
A2 noun /ˈkrɪk.ɪt/

Cricket

コオロギ
Meaning
a jumping insect that makes a chirping sound by rubbing its wings together
Example
We could hear crickets chirping in the evening.
私たちは夕方にコオロギの鳴き声を聞くことができました。
C1 noun /ˈɡeɪ.ə.ti/

Gaiety

歓喜; 祝祭的な雰囲気;
Meaning
the state or quality of being light-hearted or cheerful; festive atmosphere
Example
The wedding reception was filled with gaiety, laughter, and joyful celebrations.
結婚式のレセプションは喜び、笑い、楽しい祝賀で満たされていました。
A1 verb /spik/

speak

話す
Meaning
to say words; to communicate verbally
Example
She can speak three languages fluently.
彼女は3つの言語を流暢に話せます。
A2 verb /ɪmˈpruːv/

improve

改善する
Meaning
to make or become better; to enhance quality or condition
Example
Practice helps improve your skills.
練習はあなたのスキルを向上させる手助けをします。
C1 verb /fɔːrˈseɪk/

forsake

Meaning
to abandon or give up something or someone
Example
He decided not to forsake his old friends despite his success.
B1 noun /nɛt/

net

網
Meaning
a piece of material made of threads or ropes woven together, used to catch or hold things
Example
The fisherman cast his net into the sea.
漁師は網を海に投げた。
A1 noun /siː/

Sea

海
Meaning
a large body of salt water that covers most of the earth's surface
Example
We went swimming in the sea.
私たちは海で泳ぎました。
B2 verb /klɪŋ/

cling

幸せ
Meaning
to hold on tightly to someone or something
Example
The child clung to his mother in fear.
彼女は賞を受け取ったとき、幸せを隠せなかった。
A2 noun /ˈbɪljən/

billion

Meaning
the number 1,000,000,000 (one thousand million)
Example
The company is worth more than a billion dollars.
C1 noun /pərˈveɪər/

purveyor

Meaning
a person or business that supplies goods, services, or information
Example
He is a well-known purveyor of fine wines.
A2 preposition/conjunction/noun/adjective /plʌs/

plus

プラス/利点
Meaning
in addition to; a positive aspect or advantage
Example
She received an A plus on her exam.
彼女は試験でAプラスを取った。
B1 noun /ˈpʌb.lɪ.ʃər/

Publisher

出版社
Meaning
a person or company that produces and distributes books, magazines, or newspapers
Example
The publisher decided to print 10,000 copies of the new novel.
出版社は新しい小説の10,000部を印刷することに決めました。
C1 noun /ˈmævərɪk/

maverick

独立独行の人物
Meaning
An unorthodox or independent-minded person.
Example
The maverick scientist challenged established theories.
独立独行の科学者は確立された理論に挑戦した。
C2 adjective /ˌdɪsəˈfɛktɪd/

disaffected

不満な
Meaning
Dissatisfied and rebellious, especially against authority or leadership.
Example
The reforms were introduced to calm the disaffected youth.
改革は不満な若者を落ち着かせるために導入されました。
A2 adjective /ˈmærid/

Married

結婚している
Meaning
having a husband or wife
Example
She is married to a doctor.
彼女は医者と結婚しています。
C1 adjective /əˈluːf/

aloof

距離を置いた
Meaning
Not friendly or forthcoming; cool and distant.
Example
He remained aloof during the entire discussion.
彼は議論の間ずっと距離を置いていました。
A2 adjective /ʌnˈlʌki/

Unlucky

不運; ラッキーでない
Meaning
having bad luck; unfortunate
Example
He was unlucky to miss the winning shot.
彼は勝つシュートを外して不運だった。
B2 adjective ɪˈmɜː.sɪv

immersive

没入型
Meaning
Providing, involving, or characterized by deep absorption or immersion in something.
Example
Virtual reality creates an immersive learning environment.
仮想現実は没入型の学習環境を作り出します。
C1 noun ˈsɪn.tæks

syntax

構文
Meaning
The arrangement of words and phrases to create well-formed sentences in a language.
Example
Programming languages follow strict syntax rules.
プログラミング言語は厳格な構文ルールに従います。
B1 noun /ˈdʒʌdʒ.mənt/

Judgement

判断; 決定
Meaning
the ability to make considered decisions or form sensible opinions; an official decision made by a judge or court
Example
The jury's judgement was based on careful consideration of all the facts.
陪審員の判断は、すべての事実を慎重に考慮した結果でした。
B2 noun /həˈraɪ.zən/

horizon

地平線
Meaning
the line where the earth seems to meet the sky; the limit of one's knowledge, experience, or interest
Example
The sun disappeared below the horizon.
太陽は地平線の下に消えました。
C1 adjective /ˌpɛd.əˈɡɒdʒ.ɪ.kəl/

pedagogical

教育的
Meaning
Relating to teaching and education; concerned with the methods and practice of teaching.
Example
The school adopted new pedagogical techniques to improve learning.
学校は学習を改善するために新しい教育的技術を採用しました。
C1 noun /ˈwaɪt.lɪst.ɪŋ/

whitelisting

特定のユーザー、ソフトウェア、またはIPアドレスを安全で信頼できるものとして識別する
Meaning
Identifying specific users, software, or IP addresses as safe and trusted
Example
Only verified applications are allowed through whitelisting.
認証済みのアプリケーションのみがホワイトリストを通過できます。
C1 adjective /ˈluː.mɪ.nəs/

Luminous

輝く; 明るい; 光る
Meaning
bright; shining; emitting light; radiant
Example
The luminous stars filled the dark night sky.
輝く星々が暗い夜空を満たした。
B1 noun /wɪdθ/

Width

幅; 広がり
Meaning
the measurement or extent of something from side to side; breadth
Example
The width of the river is about 50 meters.
川の幅は約50メートルです。
B1 noun /ˈmɪk.sər/

Mixer

ミキサー
Meaning
an electric kitchen appliance used for mixing, beating, and whipping ingredients
Example
The chef used a mixer to prepare the cake batter.
シェフはケーキの生地を作るためにミキサーを使いました。
A2 verb /krɒs/

cross

渡る
Meaning
to go from one side to another, or to pass through
Example
We crossed the river using a wooden bridge.
私たちは木製の橋を使って川を渡りました。
C1 verb /ˈnjuːtrəlaɪz/

neutralize

無力化する
Meaning
to make something ineffective or harmless
Example
The medicine helped neutralize the poison in his system.
その薬は彼の体内の毒を無効にするのを助けました。
C1 adjective /ˈskænti/

Scanty

小さいサイズまたは量; 不十分; ほとんど十分
Meaning
small in size or amount; insufficient; barely adequate
Example
The refugee camp had scanty food supplies.
難民キャンプにはわずかな食料供給がありました。
B2 verb /ˈvɪʒuəlaɪz/

visualize

視覚化する
Meaning
To form a mental image of something; to imagine.
Example
She tried to visualize her success before the big presentation.
彼女は大きなプレゼンテーションの前に自分の成功をビジュアライズしようとした。
B1 noun əˈreɪndʒmənt

arrangement

配置
Meaning
The way things are organized, positioned, or structured.
Example
The arrangement of protons in the nucleus is critical.
原子核内の陽子の配置は重要です。
B1 noun /ˈdʒɪn.dʒər/

Ginger

生姜
Meaning
a hot fragrant spice made from the rhizome of a plant; the plant itself
Example
The chef added fresh ginger to the stir-fry to enhance its flavor and aroma.
シェフは炒め物に新鮮な生姜を加えて、風味と香りを高めました。
C2 noun /ˈdɒɡ roʊz/

Dog-rose

ドッグローズ
Meaning
A wild rose species with pink or white flowers and thorny stems, common in hedgerows
Example
The dog-rose bush grew wild along the countryside path.
ドッグローズの低木は、田舎の道沿いに野生で育ちました。
C2 verb /ˈfrʌktɪˌfaɪ/

fructify

実らせる
Meaning
To make fruitful or productive; to bear fruit.
Example
The new policies will help fructify the economic potential of the region.
新しい政策は地域の経済的な潜在能力を実らせるのに役立ちます。
C1 noun /ræˈpɔːr/

rapport

関係
Meaning
A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas.
Example
The teacher built a strong rapport with her students.
教師は生徒と強い関係を築いた。
B2 verb prəˈlɔŋd

prolonged

延長された
Meaning
Extended in duration; made to last longer than usual.
Example
Modern medicine has prolonged life expectancy.
現代医療は寿命を延長しました。
C1 noun /ˈseɪ.tən/

Satan

サタン
Meaning
the chief evil spirit; the Devil in Christian and Islamic belief
Example
According to religious texts, Satan tempts people to sin.
宗教的な文献によると、サタンは人々を罪に導く。
A2 noun/verb/adjective /ˈsʌbdʒɪkt/ (noun), /səbˈdʒɛkt/ (verb)

subject

科目
Meaning
noun: a topic or theme; verb: to cause to undergo; adjective: dependent or under authority
Example
The teacher introduced a new subject in class.
先生はクラスで新しい科目を紹介しました。
B2 adjective ˌkɒm.prɪˈhen.sɪv

comprehensive

包括的
Meaning
Including or dealing with all or nearly all elements or aspects of something; complete and thorough.
Example
A comprehensive study enhances understanding.
包括的な研究は理解を深めます。
B2 noun, verb /nɜːrv/

nerve

神経; 勇気
Meaning
A bundle of fibers in the body that transmits signals between the brain and other parts; also courage or audacity.
Example
She gathered the nerve to speak in front of the large audience.
彼女は大きな観客の前で話す勇気を持っていた。
B2 adjective /ˈvɪʃ.əs/

Vicious

悪質な; 残酷な; 野生の
Meaning
deliberately cruel or violent; having a savage nature
Example
The vicious dog attacked anyone who came near its territory.
その悪質な犬は、自分の領土に近づく者すべてに攻撃を仕掛けた。
C1 verb /weɪd/

wade

水を歩く
Meaning
to walk through water or another substance that impedes movement
Example
The children waded in the shallow river.
子供たちは浅い川を歩いていました。
C2 noun /raɪm/

rime

霜
Meaning
frost formed on cold surfaces by freezing water vapor
Example
The trees were covered with a white rime after the cold night.
木々は冷たい夜の後、白い霜で覆われていました。
B1 noun /trænzˈleɪʃən/

translation

翻訳
Meaning
the process of converting text or speech from one language into another
Example
She completed the translation of the book within two months.
彼女は2ヶ月でその本の翻訳を終えました。
C1 noun /ˈfɔːrdʒəri/

forgery

偽造
Meaning
the crime of making fake documents, money, or artworks
Example
The bank detected a forgery in the signature on the cheque.
銀行は小切手の署名に偽造を発見しました。
C2 adjective /ˈrɛkriənt/

recreant

臆病な, 裏切り者
Meaning
cowardly or unfaithful to duty
Example
The recreant soldier abandoned his post in fear.
その臆病な兵士は恐怖で自分のポストを放棄した。
A2 verb /weɪst/

waste

無駄にする
Meaning
To use or spend carelessly, extravagantly, or to no purpose.
Example
Social media often leads to wasting valuable time.
ソーシャルメディアはしばしば貴重な時間を無駄にする原因となります。
B2 noun /dɪˈnaɪ.əl/

Denial

否認
Meaning
the action of declaring something to be untrue; refusal to acknowledge something
Example
His denial of involvement in the scandal was met with skepticism.
スキャンダルへの関与を否認した彼の姿勢は、疑念を持って受け止められました。
C2 noun /ˈlɪbərəlɪst/

liberalist

リベラリスト
Meaning
a person who supports liberal ideas and principles
Example
He is a well-known liberalist advocating human rights.
彼は人権を擁護することで知られるリベラリストです。
C2 verb /frɪsk/

frisk

ボディチェックする
Meaning
To search a person by patting their clothing to check for concealed items.
Example
The security guard frisked the man at the entrance.
セキュリティガードは入口でその男性をフリスクしました。
B2 adjective, noun /ˈfeɪʃəl/

facial

フェイシャル
Meaning
Relating to the face; a beauty treatment for the face
Example
She booked a facial at the spa.
彼女はスパでフェイシャルを予約しました。
C1 adjective /ɪmˈpɜːmiəbl/

impermeable

不透水の
Meaning
Not allowing fluid or gas to pass through.
Example
The container is made of impermeable plastic.
その容器は不透水のプラスチックでできています。
B1 adverb /ˈfriːkwəntli/

Frequently

頻繁に; 定期的に; 多くの回数
Meaning
often; regularly; many times
Example
She frequently visits her grandmother on weekends.
彼女は週末に頻繁に祖母を訪れます。
B2 adjective /ˈtɪm.ɪd/

Timid

内気; 恥ずかしがり屋
Meaning
shy and lacking confidence; easily frightened
Example
She was too timid to speak in public.
彼女は人前で話すのがあまりにも内気だった。
A2 verb /fiːd/

feed

餌を与える
Meaning
to give food to a person or animal
Example
She feeds the birds every morning.
彼女は毎朝鳥に餌を与えます。
B2 noun /ˈkʌvərɪdʒ/

coverage

報道
Meaning
The extent or scope of something, such as insurance protection or media reporting.
Example
The news channel provided extensive coverage of the event.
ニュースチャンネルはそのイベントを広範囲に報道しました。
C2 noun /ˈkæʒuɪstri/

casuistry

詭弁
Meaning
The use of clever but false reasoning, especially in relation to moral questions.
Example
The lawyer’s argument was dismissed as mere casuistry.
弁護士の主張は単なる詭弁として退けられました。
C1 noun /ˈæftərˌθɔːt/

afterthought

Meaning
Something added or considered later than originally planned.
Example
The gift seemed like an afterthought rather than a genuine gesture.
C2 adjective /əbˈtruːsɪv/

obtrusive

目障りな
Meaning
noticeable in an unpleasant or unwelcome way; intrusive
Example
The advertisement was so obtrusive that it ruined the user’s experience.
その広告はあまりにも目立ちすぎて、ユーザーの体験を台無しにしました。
B2 noun ˌɪn.stəˈleɪ.ʃən

installation

インストール
Meaning
The action or process of installing someone or something, or of being installed.
Example
The installation of the submarine cable is almost complete.
海底ケーブルのインストールはほぼ完了しています。
C2 verb /ˈmɔːrtɪfaɪ/

mortify

恥をかかせる
Meaning
to cause someone to feel great embarrassment or shame
Example
She was mortified when she tripped on stage.
彼女はステージでつまずいたとき、とても恥ずかしかった。
C1 noun /kənˈvʌl.ʃən/

convulsion

痙攣
Meaning
a sudden, violent, involuntary contraction of muscles; a seizure
Example
The medicine helped prevent convulsions in children.
薬は子供たちの痙攣を防ぐのに役立ちました。
C2 noun /koʊˈkɛt/

coquette

コケットな女性
Meaning
a woman who flirts lightheartedly
Example
She was a coquette, always charming everyone at the party.
彼女はコケットで、パーティーで誰にでも魅力を振りまいていました。
B1 verb /ˈwɒndər/

Wander

ぶらつく
Meaning
to walk aimlessly without a fixed destination
Example
She likes to wander through the old city streets.
彼女は古い街の通りをぶらつくのが好きだ。
C1 verb /ˌkaʊntərˈækt/

counteract

反作用
Meaning
to act against something in order to reduce its effect
Example
The medicine helps counteract the side effects of the treatment.
その薬は治療の副作用をカウンターアクトするのに役立ちます。
A2 conjunction /ˈniːðər/

neither

どちらも〜ない
Meaning
used to connect two negative alternatives
Example
Neither the manager nor the assistant could attend the meeting.
マネージャーもアシスタントも会議に出席できなかった。
B2 verb /əˈpɔɪnt/

appoint

任命する
Meaning
to choose someone for a job or position
Example
The board will appoint a new director.
ボードは新しいディレクターを任命します。
B2 noun /wɪðˈdrɔːəl/

withdrawal

引き出し
Meaning
the act of taking something back or removing oneself from a situation
Example
He made a withdrawal of $500 from his bank account.
彼は銀行口座から500ドルを引き出しました。
B2 noun /ˌɪm.ɪˈteɪ.ʃən/

Imitation

模倣; コピー; レプリカ
Meaning
the action of using someone or something as a model; a copy of something original
Example
His imitation of the famous actor was so good that everyone burst into laughter.
彼の有名な俳優のイミテーションはとても上手で、みんなが笑い出しました。
B2 adverb /ˈpjʊərli/

purely

純粋に
Meaning
only and completely; entirely
Example
The decision was purely based on economic factors.
その決定は完全に経済的な要因に基づいていました。
C1 noun /ˈvaɪ.pər/

Viper

マムシ
Meaning
a venomous snake with large hinged fangs that typically has a thick body and gives birth to live young
Example
The viper coiled up when it sensed danger.
ヴァイパーは危険を感じると巻きつきます。
B1 adjective /ˈmɑːrvələs/

Marvellous

素晴らしい; 驚くべき; 素晴らしい
Meaning
extremely good; wonderful; causing great wonder
Example
The view from the mountain was marvellous.
山からの景色は素晴らしかった。
C1 noun /mɪsˈɡɪv.ɪŋ/

Misgiving

疑念; 不安; 不確実
Meaning
A feeling of doubt or apprehension about the outcome or consequences of something
Example
She had serious misgivings about accepting the job offer.
彼女は仕事のオファーを受け入れることに対して重大な疑念を抱いていました。
C1 noun /ˈhɪp.ə.krɪt/

Hypocrite

偽善者; 嘘つき; 偽りの人
Meaning
a person who acts in contradiction to their stated beliefs or feelings; a pretender
Example
Don't be a hypocrite by demanding honesty from others while lying yourself.
他人に誠実を求めて自分は嘘をつくのは偽善者だ。
C2 verb /koʊˈæɡjəˌleɪt/

coagulate

凝固
Meaning
to cause a liquid, especially blood, to change into a solid or semi-solid state
Example
The blood quickly coagulated after the cut.
切り傷の後、血液はすぐに凝固しました。
C1 verb /ˈkwɪkən/

quicken

加速する
Meaning
to make or become faster; to accelerate
Example
His pulse began to quicken as he approached the finish line.
彼の脈拍はゴールラインに近づくにつれて速くなり始めた。
A2 noun /ɡɪˈtɑːr/

Guitar

ギター
Meaning
a stringed musical instrument played by strumming or plucking the strings with fingers or a pick
Example
She learned to play guitar when she was twelve years old.
彼女は12歳の時にギターの弾き方を学びました。
C1 noun /ˌtɛrəˈdæktɪl/

pterodactyl

絶滅した飛行爬虫類
Meaning
An extinct flying reptile of the Jurassic period, with a long slender head and wings formed by a membrane stretching along the body.
Example
The museum displayed a fossil of a giant pterodactyl.
博物館には巨大なプテロダクティルの化石が展示されていた。
A2 verb /əˈlaʊ/

allow

許可する
Meaning
to give permission for something to happen or someone to do something
Example
The teacher did not allow phones in class.
先生はクラスで電話を許可しませんでした。
C1 verb /ˌoʊvərˈruːl/

overrule

却下する
Meaning
to reject or disallow by exercising one's superior authority; to override a decision
Example
The judge overruled the objection from the defense attorney.
裁判官は弁護側の異議を却下した。
B2 noun /ˈɛmbəsi/

embassy

大使館
Meaning
the official residence or offices of an ambassador
Example
He works at the French embassy in Dhaka.
彼はダッカのフランス大使館で働いています。
B1 noun/verb /koʊd/

code

コード
Meaning
a system of words, letters, or symbols used to represent information or instructions
Example
He wrote a code to solve the problem on the computer.
彼はコンピュータで問題を解決するためのコードを書きました。
C2 adjective /ɔːˈrɔːrəl/

auroral

オーロラに関連する
Meaning
Relating to or resembling the aurora, especially the northern lights.
Example
The scientists observed auroral activity in the night sky.
科学者たちは夜空でオーロラルの活動を観察しました。
B2 noun /ɪˈkweɪʒən/

equation

方程式
Meaning
a mathematical statement that shows the equality of two expressions
Example
He solved the equation to find the value of x.
彼はxの値を見つけるために方程式を解いた。
C2 noun /ˌdɪsɪnklɪˈneɪʃən/

disinclination

不本意
Meaning
a lack of willingness or desire to do something
Example
She showed a clear disinclination to join the meeting.
彼女は会議に参加する明確な不本意を示した。
C1 adjective/verb /ˈkɒn.sə.mət/

consummate

大きな技術で何かを完成させるまたは完璧にする
Meaning
To complete or perfect something with great skill
Example
He is a consummate artist with years of experience.
彼は長年の経験を持つ完璧な芸術家です。
C2 noun /ˈnes.lɪŋ/

Nestling

ヒナ
Meaning
a young bird that has not yet left its nest
Example
The mother bird fed the hungry nestling with worms.
母鳥は空腹のヒナに虫を与えました。
C1 adjective /ɪnˈedəbəl/

Inedible

食べられない
Meaning
not suitable or safe for eating; not edible
Example
The mushrooms were poisonous and completely inedible.
そのキノコは毒性があり、完全に食べられないものでした。
C1 verb /dɪˈtɛst/

detest

嫌う
Meaning
To dislike intensely or hate.
Example
I detest waking up early on weekends.
私は週末に早起きするのが嫌いです。
B1 noun rɪˈdʌk.ʃən

reduction

削減
Meaning
The action or fact of making a specified thing smaller or less in amount, degree, or size.
Example
Greenhouse gas reduction is a primary global goal.
温室効果ガスの削減は主要な地球規模の目標です。
A2 noun /dʒiˈɒɡrəfi/

geography

地理
Meaning
the study of the Earth’s physical features, climates, populations, and the relationships between people and their environments
Example
She studies geography to understand how landscapes and human societies interact.
彼女は世界を理解するために地理を学んでいます。
C1 noun /ˈmeɪ.trɪks/

matrix

マトリックス, 構造
Meaning
An environment or structure in which something develops; also a mathematical array of numbers.
Example
The cultural matrix shaped his worldview.
文化的なマトリックスは彼の世界観を形成した。
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 verb /skwɪnt/

squint

目を細める
Meaning
to look with partly closed eyes
Example
She squinted at the bright sunlight.
彼女は明るい日差しで目を細めた。
C1 noun /ˈriːkɔːrs/

recourse

助け, 対処
Meaning
a source of help or protection in a difficult situation
Example
The students had no recourse but to appeal to the principal.
学生たちは校長に訴える以外に方法がなかった。
C1 verb /priːˈɛmpt/

pre-empt

Meaning
to act in advance to prevent an anticipated event from happening; forestall
Example
The government moved to pre-empt a crisis by introducing new policies.
C2 noun /tʃæf/

Chaff

ふすま; 価値のないもの; 軽い冗談
Meaning
the husks of corn or other seed separated by winnowing; worthless things; light-hearted joking
Example
The farmer separated the wheat from the chaff using traditional methods.
農夫は伝統的な方法で小麦をふすまから分けました。
B2 verb /prɪˈveɪl/

prevail

勝つ
Meaning
To prove more powerful or superior; to be widespread or common.
Example
Justice will always prevail over injustice.
正義は常に不正に勝る。
B1 noun /tɜːm/

term

用語
Meaning
a word or phrase used to describe a thing or to express a concept
Example
The term 'machine learning' is commonly used in technology.
「機械学習」という用語は、技術分野で広く使われています。
C2 noun /ˌfɑːrməkəˈpiːə/

pharmacopoeia

薬典
Meaning
An official book listing medicinal drugs, their effects, and directions for use.
Example
The doctor referred to the pharmacopoeia to check the drug's proper dosage.
医師は薬典を参照して、薬の適切な用量を確認しました。