duckling
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B2 noun /ˈdʌklɪŋ/

duckling

Meaning
a young duck
Example
The mother duck led her ducklings to the pond.
B2 adjective /dɪˈraɪvd/

derived

派生した
Meaning
Developed or obtained from something else; not original.
Example
The word is derived from Latin.
その単語はラテン語から派生しています。
B2 noun /ˈdiːlər/

dealer

ディーラー
Meaning
a person or business that buys and sells goods; someone who distributes
Example
The car dealer offered a discount to attract customers.
車のディーラーは顧客を引き付けるために割引を提供しました。
B2 verb /daɪˈdʒest/

digest

消化する
Meaning
to break down food in the body; to think about and understand
Example
It takes time to digest a heavy meal.
重い食事を消化するのには時間がかかります。
B2 adjective /dæmp/

damp

湿った
Meaning
slightly wet, often in an unpleasant way
Example
The room felt cold and damp after the rain.
雨の後、部屋は冷たくて湿っていると感じました。
B2 verb /drɪp/

drip

滴る
Meaning
to fall or let fall in drops
Example
Water was dripping from the broken pipe.
壊れたパイプから水が滴っていました。
B2 noun /ˈdɔːr.mæt/

Door-mat

ドアマット
Meaning
a mat placed in front of a door for wiping feet
Example
Please wipe your feet on the door-mat before entering the house.
家に入る前にドアマットで足を拭いてください。
B2 verb /ˌdɪskəˈnɛkt/

disconnect

Meaning
to detach or separate from a connection or source
Example
Please disconnect the charger from the power outlet.
B2 adjective /dɪˈtætʃt/

detached

分離された, 無関心な
Meaning
separate or disconnected; showing a lack of emotional involvement
Example
He lived in a detached house away from the city.
彼は都市から離れた分離された家に住んでいました。
B2 noun /ˈdeb.ɪt/

Debit

デビット; 借金; 引き落とし
Meaning
an entry recording an amount owed; money taken from a bank account
Example
The bank showed a debit of fifty dollars from my checking account.
銀行は私の当座預金口座から50ドルのデビットを表示しました。
B2 verb /dwel/

dwell

住む
Meaning
to live in a place; to think about something for a long time
Example
They dwell in a small cottage by the lake.
彼らは湖の近くの小さな家に住んでいます。
B2 noun /diˈoʊ.dər.ənt/

Deodorant

デオドラント
Meaning
a substance that removes or conceals unpleasant smells, especially bodily odors
Example
She applied deodorant before going to the gym to stay fresh during workout.
彼女はジムに行く前に、トレーニング中にさっぱりとした状態を保つためにデオドラントを塗りました。
B2 noun /dɪsˈɡaɪz/

Disguise

変装; 偽装
Meaning
a means of altering one's appearance to conceal one's identity; something that hides the truth
Example
The spy wore an elaborate disguise to avoid being recognized by enemies.
スパイは敵に認識されないように精巧な変装をしていた。
B2 adjective /dɪˈfektɪv/

Defective

欠陥のある; 不完全な
Meaning
having faults or defects; imperfect
Example
The defective product was returned to the store.
欠陥のある製品は店に返品されました。
B2 verb /ˈdɑːrkən/

darken

暗くする
Meaning
to make or become dark; to reduce brightness or light
Example
The clouds began to darken the sky before the storm.
嵐の前に雲が空を暗くし始めた。
B2 noun /ˌdiː.haɪˈdreɪʃən/

dehydration

脱水症
Meaning
A condition in which the body or tissue lacks adequate water content.
Example
Dehydration can lead to fatigue and confusion.
脱水は疲労と混乱を引き起こす可能性があります。
B2 verb /dæʃ/

dash

Meaning
to move quickly and suddenly; to strike or break something violently
Example
She dashed across the street to catch the bus.
B2 adjective /ˈdræs.tɪk/

Drastic

劇的な; 厳しい; 強い影響を与える
Meaning
extreme; severe; having a strong or far-reaching effect
Example
The company took drastic measures to reduce costs.
会社はコスト削減のために劇的な措置を取った。
B2 noun /ˈdɪɡ.nə.ti/

Dignity

尊厳, 名誉, 自尊
Meaning
the state of being worthy of honor or respect; composure and self-respect
Example
Despite facing hardships, she maintained her dignity throughout the ordeal.
困難に直面しても、彼女は試練を通して尊厳を保ち続けました。
B2 noun /dɪsˈɡreɪs/

Disgrace

恥辱; 不名誉; 恥ずかしい
Meaning
loss of reputation or respect as the result of a dishonorable action; a shameful situation
Example
His arrest brought disgrace upon his entire family and reputation.
彼の逮捕は彼の家族全体と評判に恥辱をもたらした。
B2 noun daɪˈmen.ʃən

dimension

次元
Meaning
An aspect or feature of a situation, problem, or thing; a measurable extent.
Example
Renewable projects add a new dimension to urban planning.
再生可能エネルギープロジェクトは都市計画に新しい次元を加えます。
B2 adjective /dɪˈvaɪn/

Divine

神聖な; 天上的な; 神のような; 神または神格に関連する
Meaning
heavenly; sacred; godlike; relating to God or a deity
Example
The divine beauty of the sunset took their breath away.
夕日の神聖な美しさは彼らの息を奪いました。
B2 noun /ˈdiː.lɪŋ/

Dealing

取引; 処理; 扱い
Meaning
business transactions; the way of treating people or handling situations
Example
His fair dealing with customers earned him an excellent reputation.
顧客との公正な取引が彼に素晴らしい評判をもたらしました。
B2 noun /ˈdɪpləmæt/

diplomat

外交官
Meaning
An official representing a country abroad; a person skilled in dealing with people tactfully.
Example
The diplomat negotiated a peace agreement.
外交官は平和協定の交渉を行いました。
B2 noun /depθ/

Depth

深さ; 深いまたは深遠な特質
Meaning
the distance from the top or surface to the bottom; the quality of being intense or profound
Example
The depth of the ocean in this area reaches over three thousand meters.
この地域の海の深さは3,000メートルを超えています。
B2 verb /dɪˈtɜːr/

deter

Meaning
to discourage someone from doing something by instilling doubt or fear
Example
High fines are meant to deter people from breaking the law.
B2 adjective /ˌdɪsədˈvæntɪdʒd/

disadvantaged

恵まれない
Meaning
Lacking the basic resources or conditions needed for a good standard of living or equal opportunities.
Example
The program provides support to disadvantaged children.
そのプログラムは恵まれない子供たちに支援を提供しています。
B2 verb /doʊz/

doze

うたた寝
Meaning
To sleep lightly for a short time.
Example
He dozed off while reading the book.
彼は本を読みながらうたた寝をした。
B2 adjective/noun ˌdem.əˈɡræf.ɪk

demographic

人口統計学的
Meaning
Relating to the structure of populations; statistical data relating to the population and particular groups within it.
Example
The company analyzes demographic trends before launching a product.
会社は製品を発売する前に人口統計学的傾向を分析します。
B2 adverb /ˈdɛspərətli/

desperately

必死に
Meaning
in a way that shows despair or great need
Example
He called for help desperately after the accident.
事故後、彼は必死に助けを求めた。
B2 noun /dɪˈpləʊməsi/

diplomacy

Meaning
The profession, activity, or skill of managing international relations or handling affairs tactfully.
Example
Effective diplomacy helped avoid the conflict.
B2 noun /dɪˈsen.dənt/

Descendant

子孫
Meaning
a person who is descended from a particular ancestor; offspring of a later generation
Example
She discovered that she was a descendant of European royalty through genealogy research.
彼女は系譜研究を通じて、ヨーロッパの王族の子孫であることを発見しました。
B2 noun /den/

Den

巣穴; 快適な部屋; 不法活動の場所
Meaning
a wild animal's lair or home; a small, comfortable room; a place for illegal activities
Example
The fox disappeared into its den when it sensed danger approaching.
キツネは危険が迫るのを感じて、巣穴に姿を消しました。
B2 adverb /ˈdɪmli/

dimly

薄暗く
Meaning
in a faint or unclear way; with little light
Example
The room was dimly lit by a single candle.
部屋は一本のろうそくで薄暗く照らされていた。
B2 noun ˌdiː.fɒr.ɪˈsteɪ.ʃən

deforestation

森林伐採
Meaning
The action of clearing a wide area of trees; the permanent destruction of forests in order to make the land available for other uses.
Example
Deforestation accelerates the loss of biodiversity.
森林伐採は生物多様性の喪失を加速させます。
B2 noun/verb /dɪˈpɑːzɪt/

deposit

預金, 手付金
Meaning
to place money in a bank account, or a sum paid in advance as security; a layer of material left naturally
Example
She deposited $500 into her savings account.
彼女は貯金口座に500ドルを預けました。
B2 adjective dɪˈlɪbəreɪt

deliberate

意図的に行われた
Meaning
Done consciously and intentionally; carefully considered.
Example
His deliberate actions showed great care and thoughtfulness.
彼の意図的な行動は、大きな配慮と熟慮を示しました。
B2 adjective /dɪˈstrɛst/

distressed

苦しんでいる
Meaning
feeling or showing extreme anxiety, sorrow, or pain
Example
She looked distressed after hearing the bad news.
悪い知らせを聞いた後、彼女は苦しんでいるように見えました。
B2 noun /ˌdel.ɪˈɡeɪ.ʃən/

delegation

代表団
Meaning
A group of people chosen to represent others in negotiations or discussions.
Example
The delegation presented their country's agenda.
代表団は自国の議題を提示しました。
B2 verb /dɪˈfɜːr/

defer

延期する
Meaning
To postpone or delay; to yield to someone else's judgment or opinion.
Example
The meeting was deferred until next week.
会議は来週まで延期されました。
B2 verb /dɪˈplɔɪ/

deploy

展開する
Meaning
to position strategically; to use effectively
Example
The military will deploy troops to the border.
軍隊は国境に部隊を配備する。
B2 adjective /ˌdɪp.ləˈmæt.ɪk/

Diplomatic

外交的; 人間関係をうまく扱うことができる
Meaning
relating to diplomacy; tactful; skilled in managing relationships
Example
She gave a diplomatic answer to avoid offending anyone.
彼女は誰も怒らせないように外交的な答えをしました。
B2 verb /dɪˈsiːv/

deceive

騙す
Meaning
To cause someone to believe something that is not true.
Example
He tried to deceive his friends with a fake story.
彼は嘘の話で友達を騙そうとした。
B2 noun /dəˈmeɪn/

domain

領域
Meaning
An area of knowledge, activity, or territory over which control is exercised.
Example
Mathematics is her main domain of expertise.
数学は彼女の主な専門領域です。
B2 noun /drɪl/

drill

ドリル
Meaning
a tool or exercise used for making holes or practicing skills
Example
The students took part in a fire drill at school.
生徒たちは学校で火災訓練に参加しました。
B2 noun /ˈdrɔː.bæk/

Drawback

欠点; 不利な点; 問題
Meaning
a feature that renders something less acceptable; a disadvantage or problem
Example
The main drawback of living in the city is the high cost of housing.
都市での生活の主な欠点は高い住宅費です。
B2 noun /ˌdaɪəˈbiːtiːz/

diabetes

幸福
Meaning
a medical condition in which the body cannot properly control the level of sugar in the blood
Example
He was diagnosed with type 2 diabetes last year.
彼女は賞を受け取ったとき、幸せを隠せませんでした。
B2 noun ˈdɒmɪnəns

dominance

支配
Meaning
Power and influence over others; control or command.
Example
The dominance of Urdu was evident.
ウルドゥ語の支配は明らかだった。
B2 noun /ˌdɪstrɪˈbjuːʃən/

distribution

配布
Meaning
the act of sharing or delivering something to multiple people or places
Example
The company manages the distribution of food supplies to rural areas.
その会社は農村地域への食品供給の配布を管理しています。
B2 noun /daɪm/

dime

10セント硬貨
Meaning
a small coin, especially a U.S. coin worth ten cents
Example
He gave me a dime for the phone call.
電話のためにダイムを一枚くれました。
B2 verb /dɪsˈmɪs/

dismiss

解雇する, 却下する
Meaning
to remove someone from a job or position; to decide something is not important
Example
The manager dismissed the employee for being late too often.
マネージャーは遅刻が多すぎるため、従業員を解雇しました。
B2 noun /ˈdjuːəʊ/

duo

デュオ
Meaning
a pair of people or things, especially in music or entertainment
Example
The musical duo performed their latest hit at the concert.
その音楽デュオはコンサートで最新のヒットを演奏しました。
B2 verb /dɪˈstɔːrt/

distort

Meaning
to twist or change the shape, appearance, or meaning of something so it is not true or accurate
Example
The mirror distorted her reflection.
B2 noun, verb /ˈdeɪ.bjuː/

debut

デビュー
Meaning
The first public appearance or performance of someone or something.
Example
The young actor made his debut on the big stage.
若い俳優は大きな舞台でデビューを果たした。
B2 noun /dɪsˈtrɛs/

distress

苦痛
Meaning
extreme anxiety, sorrow, or pain
Example
He felt a deep sense of distress when he heard the bad news.
悪い知らせを聞いたとき、彼は深い苦痛を感じました。
B2 noun /ˈdreɪ.nɪdʒ/

drainage

排水
Meaning
the system or process by which water or other liquids are drained away
Example
Poor drainage caused flooding in the neighborhood.
悪い排水システムが近所での洪水を引き起こしました。
B2 adjective /dɪˈprɛst/

depressed

落ち込んでいる
Meaning
Feeling very sad and without hope; in a state of unhappiness.
Example
She felt depressed after losing her job.
彼女は仕事を失った後、落ち込んでいました。
B2 adjective /dɪˈskʌr.ɪ.dʒɪŋ/

Discouraging

落胆させる
Meaning
making someone feel less confident or enthusiastic about doing something
Example
The coach's discouraging words affected the team's morale.
コーチの落胆させる言葉は、チームの士気に影響を与えました。
B2 noun /dɪˈsper/

Despair

絶望
Meaning
the complete loss or absence of hope; a state of feeling hopeless
Example
After losing his job, he fell into despair and couldn't see any way forward.
仕事を失った後、彼は絶望し、前に進む方法が見えなかった。
B2 noun /dɪˈpen.dənt/

Dependent

依存している; 扶養されている
Meaning
a person who relies on another for financial support; someone who depends on others
Example
As a tax dependent, she could not file her own tax return separately.
税金の扶養控除対象者として、彼女は自分の税務申告を別々に提出することができませんでした。
B2 noun /dɪˈvoʊ.ʃən/

Devotion

献身; 忠誠; 熱意
Meaning
love, loyalty, or enthusiasm for a person, activity, or cause
Example
Her devotion to helping others made her a beloved figure in the community.
他人を助けることへの献身が、彼女をコミュニティで愛される存在にしました。
B2 noun /ˌdaɪəɡˈnoʊsɪs/

diagnosis

Meaning
The identification of a disease, condition, or problem through examination of symptoms.
Example
The diagnosis confirmed that she had diabetes.
B2 noun /dɪˈnɒmɪˌneɪtər/

denominator

分母
Meaning
the number below the line in a fraction; a common factor in a situation
Example
In the fraction 3/4, the number 4 is the denominator.
3/4の分数では、4は分母です。
B2 verb /dɪˈspætʃ/

dispatch

送る
Meaning
to send off to a destination or for a purpose
Example
The company dispatched aid to the flood victims.
その会社は洪水の被害者に援助を発送しました。
B2 noun /ˈdɛnɪmz/

denims

デニムのパンツ
Meaning
pants or clothes made from denim fabric, usually jeans
Example
He wore blue denims with a white shirt.
彼は白いシャツと青いデニムを履いていた。
B2 noun /ˌdɛm.əˈɡræf.ɪks/

Demographics

人口統計学
Meaning
Statistical data relating to the population and particular groups within it.
Example
Demographics help in targeted advertising.
デモグラフィックスはターゲット広告に役立ちます。
B2 noun /ˈdɪdʒɪt/

digit

Meaning
a numeral from 0 to 9; also a finger or toe
Example
You must enter a four-digit code to unlock the phone.
B2 noun /dɪˈstrækʃənz/

distractions

気を散らすもの
Meaning
Things that prevent someone from concentrating on something else.
Example
Eliminate distractions for better productivity.
生産性を高めるために、気を散らすものを排除してください。
B2 adverb dɪˈlɪb.ər.ət.li

deliberately

故意に
Meaning
Consciously and intentionally; on purpose.
Example
The actions were deliberately planned to cause harm.
行動は意図的に計画され、害を与えるために行われた。
B2 noun /daɪˈnæmɪks/

dynamics

ダイナミクス
Meaning
the forces or properties that stimulate growth, development, or change within a system or process
Example
The dynamics of the team changed after the new manager joined.
新しいマネージャーが参加した後、チームのダイナミクスは変化しました。
B2 noun /ˈdaɪ.vər/

Diver

ダイバー
Meaning
a type of water bird that dives underwater to catch fish
Example
The diver disappeared beneath the surface to catch a fish.
ダイバーは魚を捕まえるために水面下に消えました。
B2 noun /ˈden.sə.ti/

Density

密度
Meaning
the degree of compactness of a substance; the quantity of something per unit area
Example
The density of population in the city center is extremely high.
市の中心部の人口密度は非常に高い。
B2 verb /dɪˈtekt/

detect

検出する
Meaning
to discover or identify the presence or existence of something; to notice something that is not immediately obvious
Example
The security system can detect movement in the building.
セキュリティシステムは建物内の動きを検出できます。
B2 noun ˈdevəsteɪtɪŋ ˈkɒnsɪkwənsɪz

devastating consequences

壊滅的な結果
Meaning
Extremely harmful or destructive results or effects
Example
Air pollution has devastating consequences for health.
大気汚染は健康に壊滅的な結果をもたらす。
B2 verb /dɪˈzɒlv/

dissolve

Meaning
to melt or become liquid; to officially end or break up an agreement or organization
Example
The sugar will dissolve quickly in hot tea.
B2 verb /dɪˈstɪŋɡwɪʃ/

distinguish

区別する
Meaning
to recognize or show the differences between two or more things; to set apart as different
Example
It can be difficult to distinguish between truth and rumor.
真実と噂を区別するのは難しいかもしれません。
B2 adjective /ˈded.li/

Deadly

致命的な; 死亡の; 危険な
Meaning
causing or able to cause death; extremely dangerous; lethal
Example
The deadly poison killed the plant instantly.
致命的な毒はその植物を瞬時に殺しました。
B2 verb /daɪˈvɜːrt/

divert

Meaning
to turn aside from a course; to redirect or entertain
Example
The police diverted traffic to a side road.
B2 noun /ˈdiː.fekt/

Defect

欠陥
Meaning
a shortcoming, imperfection, or lack; a fault or flaw in something
Example
The manufacturing defect caused the product to fail after only one week.
製造上の欠陥により、製品はわずか1週間で故障しました。
B2 verb /ˈdɪkteɪt/

dictate

口述する
Meaning
to say words aloud for someone to write down; to give orders
Example
The boss dictates letters to his secretary.
ボスは秘書に手紙を口述します。
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。
B2 noun /ˈdoʊnər/

donor

ドナー
Meaning
A person who gives something, especially to a charity or cause.
Example
The donor contributed generously to the hospital’s new wing.
ドナーは病院の新しい翼に寛大に寄付しました。
B2 noun /ˈdɔː.weɪ/

doorway

ドアの入口
Meaning
the space where a door opens into a room or building
Example
She stood in the doorway waiting for him to arrive.
彼女はドアの入口に立って、彼が来るのを待っていました。
B2 adjective /ˌdɪsəˈɡriːəbl/

disagreeable

不快
Meaning
Unpleasant or offensive; causing discomfort or annoyance.
Example
The weather was cold and disagreeable.
天気は寒くて不快だった。
B2 noun /ˌdɪsəˈɡriːmənt/

disagreement

不一致
Meaning
a failure to agree or a difference in opinion
Example
Their disagreement on the issue caused a delay in the project.
その問題に対する彼らの不一致はプロジェクトの遅延を引き起こしました。
B2 adjective /dɪˈsɛndənt/

descendent

下降する
Meaning
Moving downward; going down or descending.
Example
The river followed a descendent course toward the valley.
川は谷に向かって下降するコースをたどった。
B2 noun /dɪˈtɜːrdʒənt/

detergent

洗剤
Meaning
a substance used for cleaning, especially for washing clothes and dishes
Example
She bought a new brand of detergent for laundry.
彼女は洗濯のために新しいブランドの洗剤を買いました。
B2 noun /dɪˈkeɪ/

Decay

腐敗; 分解; 老化
Meaning
the process of rotting or decomposing; gradual decline or deterioration
Example
The old building showed signs of decay after years of neglect.
その古い建物は長年の無視の後、腐敗の兆しを示していた。
B2 noun /djʊˈreɪʃən/

duration

期間
Meaning
the length of time that something continues
Example
The meeting lasted for the duration of two hours.
会議は2時間の期間続きました。
B2 noun /dɪˈsɛnt/

descent

降下 / 祖先
Meaning
the action of moving downward, falling, or dropping; ancestry or origin
Example
The climbers began their descent from the mountain peak.
登山者は山頂から降下を始めました。
B2 adjective /ˈdespərət/

Desperate

絶望的
Meaning
reckless; extremely urgent; critical
Example
The situation became desperate as water supplies ran out.
水の供給が尽きたとき、状況は絶望的になった。
B2 verb /dɪˈskrɪmɪˌneɪt/

discriminate

Meaning
To treat someone unfairly based on race, gender, or other differences; or to recognize a distinction.
Example
The law prohibits employers from discriminating against women.
B2 verb /dɪˈpɪkt/

depict

Meaning
to represent or show something in a picture, story, or other art form
Example
The painting depicts a beautiful sunset over the sea.
B2 verb /ˈdɒmɪneɪt/

dominate

支配する
Meaning
to have power or control over something or someone
Example
The company dominates the smartphone market.
その会社はスマートフォン市場を支配しています。
B2 noun /dɪˈsep.ʃən/

Deception

欺瞞
Meaning
the action of deceiving someone; the state of being deceived
Example
The magician's deception amazed the audience with seemingly impossible tricks.
魔法使いの欺瞞は、観客を一見不可能なトリックで驚かせた。
B2 noun /dɪˈfɛndər/

defender

ディフェンダー
Meaning
a person who protects someone or something from harm or attack
Example
The defender blocked the shot and saved the goal.
ディフェンダーはシュートをブロックし、ゴールを守った。
B2 adjective /dɪˈstrʌktɪv/

Destructive

破壊的な
Meaning
causing damage; harmful
Example
The hurricane was highly destructive to coastal areas.
ハリケーンは沿岸地域に非常に破壊的でした。
B2 verb /daɪ/

dye

染める
Meaning
to change the color of something using a chemical substance
Example
She will dye her hair blonde tomorrow.
彼女は明日髪を金髪に染める予定です。
B2 noun /dæm/

Dam

ダム; 貯水池;
Meaning
a barrier constructed to hold back water and raise its level; a female parent of an animal
Example
The massive dam provides electricity and controls flooding in the region.
巨大なダムはこの地域に電力を提供し、洪水を制御します。
B2 adjective /ˈdɒm.ɪ.nənt/

Dominant

支配的な; 影響力のある; 最も重要な
Meaning
controlling, influencing, or prevailing over others; most important or powerful
Example
The dominant player controlled the entire basketball game.
支配的な選手はバスケットボールの試合を完全に支配しました。
B2 adjective /ˈdjʊərəbəl/

Durable

耐久性がある; 強い; 頑丈な
Meaning
able to withstand wear, pressure, or damage; lasting; strong
Example
This durable fabric will last for many years.
この耐久性のある生地は何年も持ちます。
B2 verb /dɪˈmɪnɪʃ/

diminish

Meaning
to make or become less; to reduce in size, importance, or value
Example
Over time, his influence in the company began to diminish.
B2 verb /dɪsˈtʃɑːrdʒ/

discharge

退院
Meaning
to release or dismiss from duty; to emit or give off
Example
The hospital will discharge the patient tomorrow.
病院は明日患者を退院させる。
B2 verb dɪˈtɪəriəreɪt

deteriorate

悪化する
Meaning
To become progressively worse in quality, condition, or performance; to decline.
Example
Unplanned growth can deteriorate living conditions.
計画外の成長は生活環境を悪化させる可能性があります。
B2 adjective /dɪˌveləpˈmentl/

developmental

発展的
Meaning
relating to the process of growth or progress
Example
Early childhood is a crucial developmental stage for learning.
幼児期は学習にとって重要な発展的段階です。
B2 verb /dɪsˈkloʊz/

disclose

開示する
Meaning
to reveal or make information known; to expose
Example
The company must disclose all financial information.
その会社はすべての財務情報を開示しなければならない。
B2 noun /dɪˈtɛkʃən/

detection

検出
Meaning
the action or process of identifying the presence of something
Example
The detection of fraud in the system was swift.
システム内での詐欺の検出は迅速でした。
B2 noun /ˈdes.tə.ni/

Destiny

運命; 定め; 前定
Meaning
the events that will necessarily happen to someone in the future; fate or predetermined course
Example
She believed that meeting him was her destiny and meant to be.
彼女は彼に出会うことが運命だと信じていて、それは必ず起こることだと思っていた。
B2 adjective /dɪˈzæs.trəs/

Disastrous

壊滅的な
Meaning
extremely bad or unsuccessful; causing great damage
Example
The hurricane had disastrous effects on the city.
ハリケーンは街に壊滅的な影響を与えました。
B2 verb /dɪsˈeɪbl/

disable

無効にする
Meaning
to make something unable to function or operate
Example
The technician disabled the alarm system temporarily.
技術者はアラームシステムを一時的に無効にしました。
B2 verb /ˌdɪsɪnˈfɛkt/

disinfect

消毒する
Meaning
to clean something thoroughly to destroy bacteria or viruses
Example
The nurse disinfected the wound before applying a bandage.
看護師は包帯を巻く前に傷を消毒しました。
B2 noun daɪˈlem.ə

dilemma

ジレンマ, 困難な選択
Meaning
A situation in which a difficult choice has to be made between two or more alternatives.
Example
She faced a moral dilemma at work.
彼女は職場で道徳的なジレンマに直面していた。
B2 verb /dɪˈsɛnd/

descend

Meaning
To move or fall downward; to come or go down from a higher place.
Example
The hikers descended the steep mountain path.
B2 adjective /ˈdæmɪdʒɪŋ/

damaging

Meaning
causing harm or injury
Example
The storm caused damaging effects to the crops.
B2 noun /ˈdɛsɪməl/

decimal

十進法
Meaning
A number system based on 10; a number expressed in the base-10 system.
Example
The number 0.75 is a decimal.
0.75は十進法の数です。
B2 verb /dɪsˈtɜːb/

disturb

邪魔する
Meaning
to interrupt or cause someone to stop what they are doing
Example
Please don’t disturb me while I’m studying.
勉強している間に私を邪魔しないでください。
B2 noun /diːd/

Deed

行為; 偉業; 法的文書;
Meaning
an action that is performed intentionally or consciously; a legal document showing ownership
Example
His heroic deed saved the child from drowning in the river.
彼の英雄的な行為は子供を川で溺れさせないように救った。
B2 verb /dɪˈspoʊz/

dispose

処分する
Meaning
To get rid of something, or to arrange or incline towards something.
Example
He disposed of the old furniture responsibly.
彼は古い家具を責任を持って処分しました。
B2 adjective /dɪsˈɡʌstɪd/

disgusted

嫌悪している
Meaning
feeling a strong sense of dislike or revulsion
Example
She was disgusted by the way he treated the animals.
彼女は彼が動物に接する方法に嫌悪感を抱いた。
B2 noun /ˈdɛpjʊti/

deputy

代理
Meaning
A person appointed as a substitute with power to act.
Example
The deputy will lead the meeting in the manager’s absence.
代理はマネージャー不在時に会議を主導します。
B2 verb dɪsˈrʌpt

disrupt

破壊する
Meaning
To interrupt or disturb the normal progress or activity of something.
Example
Individual pursuits disrupt social harmony.
個々の追求は社会的調和を破壊します。