recrimination
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C2 noun /rɪˌkrɪmɪˈneɪʃən/

recrimination

相互非難
Meaning
an accusation made in response to an accusation; mutual blaming
Example
The debate quickly descended into mutual recriminations.
討論はすぐに相互非難に陥った。
B1 noun /rɪˈsɜːtʃə(r)/

researcher

研究者
Meaning
a person who conducts research
Example
The researcher published her findings in a scientific journal.
研究者は科学的なジャーナルに彼女の研究結果を発表しました。
C2 noun /rɪˌdʒuːvəˈnɛsəns/

rejuvenescence

再生
Meaning
the action or process of becoming young or fresh again
Example
The forest showed signs of rejuvenescence after the rains.
雨の後、森は再生の兆しを見せました。
B2 noun /rɪˈdʒɛkʃən/

rejection

拒絶
Meaning
the action of refusing or dismissing something or someone
Example
Her rejection of the offer surprised everyone.
彼女の提案の拒絶は皆を驚かせた。
B2 noun rɪsk ˈfæktər

risk factor

リスク要因
Meaning
Something that increases the likelihood of developing a disease or condition
Example
Water pollution is a significant risk factor for health.
水質汚染は健康にとって重要なリスク要因です。
C1 noun /rɪˈtriː.vəl/

retrieval

回復
Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
脳のリトリーバルシステムは過去の経験を思い出すのに役立ちます。
C1 verb /ˈrɛlɪɡeɪt/

relegate

降格する
Meaning
to assign to a lower rank, position, or category
Example
The manager decided to relegate the player to the bench.
マネージャーは選手をベンチにレリゲートすることを決定しました。
C2 adjective /rɪˈfjuː.tə.bəl/

Refutable

反証可能
Meaning
capable of being proven wrong or false; able to be disproved
Example
His theory was refutable because it could be tested experimentally.
彼の理論は実験的にテストできるので反証可能でした。
A2 verb riˈsaɪklɪŋ

recycling

リサイクリング
Meaning
The process of converting waste materials into new materials and objects to prevent waste.
Example
Recycling plastic helps in reducing waste.
プラスチックのリサイクリングは、廃棄物の削減に役立ちます。
A2 verb /rɪˈmaɪnd/

remind

思い出させる
Meaning
to cause someone to remember something
Example
Please remind me to call her tomorrow.
明日彼女に電話するのをリマインドして下さい。
C2 noun /rɪˈpæst/

repast

食事
Meaning
A meal or the food eaten during a meal.
Example
They enjoyed a delicious repast by the riverside.
彼らは川辺で美味しい食事を楽しんだ。
C1 verb /rɪˈkɔɪl/

recoil

後退する
Meaning
To suddenly spring back in fear, horror, or from force such as a gun's kickback.
Example
She recoiled at the sight of the snake.
彼女はヘビを見て後退した。
C1 adjective /rɪˈzɪdjuəl/

residual

残余
Meaning
Remaining after the greater part has gone.
Example
The patient experienced residual pain after the surgery.
患者は手術後に残余の痛みを感じました。
B2 verb /roʊm/

roam

歩き回る
Meaning
to walk or travel without a specific destination; to wander
Example
Wild animals roam freely in the forest.
野生動物は森の中を自由に歩き回っています。
A2 noun /rɪˈlɪdʒ.ən/

religion

宗教
Meaning
a system of faith and worship involving belief in a higher power
Example
Freedom of religion is a fundamental human right.
宗教の自由は基本的人権です。
B2 noun ˌrev.əˈluː.ʃənz

revolutions

革命
Meaning
Dramatic and wide-reaching changes in political, social, or economic systems, often involving the overthrow of a government or social order.
Example
Revolutions often lead to significant societal changes.
革命はしばしば社会的な変革をもたらす。
B2 noun /rɪˈlaɪ.əns/

Reliance

依存
Meaning
the state of depending on something or someone for support or help
Example
His reliance on technology is concerning.
技術への依存は懸念すべきことです。
B2 noun, verb /rɪˈzɔːrt/

resort

リゾート / 最後の手段
Meaning
A place for rest or recreation; to turn to something for help or solution.
Example
They stayed at a beach resort during their vacation.
彼らは休暇中にビーチリゾートに滞在しました。
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。
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。
C1 adjective /ˈrævənəs/

ravenous

猛烈にお腹がすいている
Meaning
Extremely hungry; famished.
Example
After the long hike, she was ravenous and ate quickly.
長いハイキングの後、彼女は猛烈にお腹がすいて、すぐに食べました。
C2 adjective /ˈreə.rɪ.faɪd/

rarefied

Meaning
Of high moral, intellectual, or cultural value; distant from ordinary life.
Example
He works in the rarefied world of classical music.
C1 noun ˈredʒ.ɪ.strɑːr

registrar

レジストラー
Meaning
An official responsible for keeping records or registers.
Example
The registrar oversees all administrative tasks.
レジストラーはすべての行政業務を監督しています。
C1 adjective /ˈrɛtroʊˌɡreɪd/

retrograde

後退的
Meaning
moving backward or returning to a worse condition
Example
The policy was seen as a retrograde step for human rights.
その政策は人権に対する後退的な一歩と見なされた。
C1 noun /ˌrɛstɪˈtjuːʃən/

restitution

賠償
Meaning
The act of restoring something to its rightful owner or compensating for loss
Example
The court ordered restitution to the victims of the fraud.
裁判所は詐欺の被害者に賠償を命じました。
C1 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

相互利益のために他の人と物を交換する行為
Meaning
The practice of exchanging things with others for mutual benefit.
Example
Business relationships thrive on reciprocity.
ビジネス関係は相互利益に依存しています。
A2 verb /reɪz/

raise

上げる / 増加させる
Meaning
To lift or move something to a higher position; to increase; to bring up.
Example
She raised her hand to ask a question.
彼女は質問をするために手を上げました。
C1 noun /ræmˈbuːtən/

Rambutan

ランブータン
Meaning
a tropical fruit with red spiky skin and white translucent sweet flesh similar to litchi
Example
The rambutan looks scary with its hairy skin but tastes very sweet inside.
ランブータンは毛皮のような皮で怖そうに見えますが、中はとても甘いです。
C1 noun /ˈrɛtrəsˌpɛkt/

retrospect

回顧
Meaning
the act of looking back on or reviewing past events
Example
In retrospect, the decision seemed unwise.
回顧すると、その決定は賢明ではなかったように思えた。
C1 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

古いシステムに新しい技術や機能を追加すること
Meaning
The addition of new technology or features to older systems.
Example
The building underwent retrofitting to meet new safety standards.
その建物は、新しい安全基準に適応するためにレトロフィッティングされました。
C1 adjective /ˈriː.fleks/

Reflex

反射
Meaning
an action performed without conscious thought; relating to reflection
Example
The doctor tested her reflex response by tapping her knee.
医師は彼女の膝を軽く叩いて反射的な反応をテストしました。
C1 verb /ˌriːˈvaɪ.t̬əl.aɪz/

revitalize

再活性化する
Meaning
To restore energy and effectiveness to something.
Example
The new policies aim to revitalize the economy.
新しい政策は経済を再活性化することを目的としています。
C1 noun /ˈrɛdʒɪmənt/

regiment

Meaning
A permanent unit of an army, typically commanded by a colonel and divided into several companies.
Example
The regiment marched proudly through the streets after returning from the mission.
C1 noun /rɪˈflɛktər/

reflector

反射器
Meaning
A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.
Example
The cyclist attached a red reflector to the back of his bike for safety.
自転車のライダーは安全のために自分の自転車の後ろに赤い反射器を取り付けました。
C1 noun rɪˌkuːpərˈeɪʃən

recuperation

回復
Meaning
The process of gradually recovering from illness or fatigue
Example
Rest is essential for recuperation after illness.
病気からの回復には休息が不可欠です。
C1 noun, adjective /ˈrɛvərənd/

reverend

牧師, 尊敬される
Meaning
A title of respect used for members of the clergy; deserving deep respect.
Example
The Reverend gave an inspiring sermon at the church.
レヴァレンドは教会で感動的な説教をしました。
A2 verb /ˌrɛkəˈmɛnd/

recommend

勧める
Meaning
to suggest or advise something as being good or suitable
Example
I recommend trying the new restaurant downtown.
私はダウンタウンの新しいレストランを試すことをリコメンドします。
C1 adjective /rɪˈdʌn.dənt/

redundant

冗長な
Meaning
Not or no longer needed or useful; superfluous.
Example
The report contained redundant information.
その報告書には冗長な情報が含まれていました。
B2 noun /rɪˈstrɪk.ʃən/

Restriction

制限; 限界; コントロール
Meaning
a limiting condition or measure; the limitation or control of someone or something
Example
There are strict restrictions on smoking in public places.
公共の場所での喫煙には厳格な制限があります。
A1 noun /ˈrɛst(ə)rɒnt/

restaurant

レストラン
Meaning
a place where meals are prepared and served to customers
Example
We went to the restaurant for dinner.
私たちは夕食のためにレストランに行きました。
C1 verb /rɪɡ/

rig

操作する
Meaning
to manipulate or control something dishonestly; to set up equipment
Example
The election was rigged by corrupt officials.
選挙は腐敗した役人によって操作されました。
A1 adjective /raʊnd/

round

丸い
Meaning
having a circular shape; shaped like a sphere or disk
Example
The table was round and had a smooth surface.
テーブルは丸くて、滑らかな表面がありました。
B2 verb /rɪˈvɜːs/

reverse

反転する
Meaning
to change something to the opposite direction, position, or result
Example
She quickly reversed the car out of the driveway.
彼女はすぐに車をドライブウェイからバックさせました。
B2 adjective /rɪˈzɪl.i.ənt/

resilient

回復力のある
Meaning
Able to withstand or recover quickly from difficult conditions.
Example
Resilient materials ensure durability.
回復力のある素材は耐久性を保証します。
A2 noun /roʊl/

role

役割
Meaning
a part or function of something
Example
Her role in the project was crucial.
彼女のプロジェクトでの役割は重要でした。
B1 noun /ˈreɪn.boʊ/

Rainbow

虹
Meaning
an arch of colors formed in the sky by sunlight shining through rain
Example
After the storm, a beautiful rainbow appeared in the sky.
嵐の後、空に美しい虹が現れました。
B2 noun /ˈreɪn.dʒər/

ranger

レンジャー
Meaning
A person responsible for protecting and managing forests, parks, or natural areas.
Example
The park ranger guided the tourists through the forest trail.
公園のレンジャーは観光客を森の小道を案内しました。
B2 adjective /ˈræʃ.ən.əl/

Rational

合理的な; 論理的な; 理にかなった
Meaning
based on reason and logic; sensible and practical
Example
She made a rational decision based on the available facts.
彼女は利用可能な事実に基づいて合理的な決定を下しました。
B2 adjective /rɪˈnjuː.ə.bəl/

renewable

再生可能
Meaning
Able to be renewed or replaced naturally; not depleted when used.
Example
Renewable resources minimize environmental damage.
再生可能な資源は環境へのダメージを最小限に抑えます。
C1 verb/noun /ˈrɛlɪʃ/

relish

楽しむ / 調味料
Meaning
to greatly enjoy; also a condiment or sauce
Example
She relished the opportunity to travel abroad.
彼女は海外旅行の機会を大いに楽しんでいました。
C1 verb /ˌriːhəˈbɪlɪteɪt/

rehabilitate

Meaning
to restore someone to health, normal life, or a good condition after illness, injury, or imprisonment
Example
The clinic helps rehabilitate injured athletes.
C1 adjective ˈriːdʒən spəˈsɪfɪk

region-specific

地域特有
Meaning
Relating to or characteristic of a particular region or area.
Example
Climate change impacts are region-specific.
気候変動の影響は地域特有です。
B2 adjective /ˈrʌn daʊn/

run-down

荒れ果てた
Meaning
in a poor condition; worn out or neglected
Example
They live in a run-down house at the edge of town.
彼らは町の端にある荒れ果てた家に住んでいます。
C2 adjective /rɪˈfræktəri/

refractory

反抗的
Meaning
Stubborn or resistant to control, authority, or treatment.
Example
The refractory child refused to follow the teacher's instructions.
反抗的な子供は教師の指示に従うのを拒否した。
B1 verb /rɪd/

rid

取り除く
Meaning
to remove or get rid of something
Example
I need to rid the house of all the clutter.
家の中のすべてのゴミを取り除く必要があります。
C2 verb /rɪˈpruːv/

reprove

叱る
Meaning
to criticize or correct someone gently or disapprove of their actions
Example
The teacher reproved the student for being late.
先生は遅刻した生徒を叱りました。
C1 noun /rɪˈbʌtəl/

rebuttal

反論
Meaning
a statement or argument made to oppose or disprove another
Example
Her rebuttal was clear and convincing.
彼女の反論は明確で説得力がありました。
C2 adjective /rɪˈflɛksəbl/

reflexible

反射可能な
Meaning
Capable of being reflected or bent back.
Example
The surface was highly reflexible, bouncing light in different directions.
その表面は非常に反射可能で、光を異なる方向に反射させていました。
B2 noun /ˈrɪb.ən/

ribbon

リボン
Meaning
a long, narrow strip of fabric used for tying or decoration
Example
She tied her hair with a red ribbon.
彼女は赤いリボンで髪を結びました。
C1 adjective /ˈræmʃækəl/

ramshackle

ぼろぼろ
Meaning
poorly built or maintained; in a state of disrepair
Example
They lived in a ramshackle old house on the edge of town.
彼らは町の端にあるぼろぼろな古い家に住んでいました。
C1 noun /rɪˈpjuːt/

repute

評判
Meaning
the opinion generally held of someone or something; reputation
Example
He is a scholar of great repute in his field.
彼はその分野で大変な評判を持つ学者です。
C1 noun /rɪˈmɪʃən/

remission

Meaning
A temporary or permanent decrease or disappearance of disease symptoms; forgiveness of sins or debts.
Example
The patient’s cancer is in remission after the treatment.
C2 noun /rɪˈpʌɡ.nəns/

repugnance

嫌悪
Meaning
intense disgust or strong aversion towards something
Example
She felt deep repugnance at the cruelty of the act.
彼女はその行為の残酷さに深い嫌悪を感じた。
C1 verb /rɪˈprɛs/

repress

Meaning
To restrain, suppress, or keep under control, especially emotions or desires.
Example
He tried to repress his anger during the meeting.
B2 noun /ˈrɛnəˌsɑːns/

renaissance

ルネサンス
Meaning
a revival of art, culture, or learning; a period of renewed interest and growth
Example
The city experienced a cultural renaissance during the 1990s.
その都市は1990年代に文化的なルネサンスを経験しました。
B1 noun /ˌrep.rɪˈzen.tə.tɪv/

representative

代表者
Meaning
A person chosen or appointed to act or speak for another or others.
Example
The representative addressed critical issues.
代表者は重要な問題に対処しました。
C1 adjective /rɪˈɡrɛtfəl/

regretful

後悔している
Meaning
feeling or showing sadness or disappointment about something that has happened or been done
Example
She gave him a regretful smile as she turned away.
彼女は振り返りながら後悔している笑顔を彼に向けた。
A2 verb /ˈrɛkəɡnaɪz/

recognize

Meaning
To identify someone or something seen before; to acknowledge or accept.
Example
She did not recognize him in the crowd.
B2 noun /reɪˈʒiːm/

regime

政権
Meaning
a system or form of government, often authoritarian
Example
The military regime controlled the country for decades.
軍事政権は数十年間国を支配していました。
C1 noun/verb /rɪˈpriːz/

reprise

繰り返し
Meaning
A repetition or return to an earlier theme, role, or action.
Example
The actor reprised his role in the sequel.
俳優は続編で自分の役を再演しました。
B2 noun /ˌriː.əˈʃʊr.əns/

Reassurance

安心
Meaning
comfort or confidence given to someone to remove their fears or doubts
Example
She needed reassurance that everything would be okay.
彼女はすべてがうまくいくことを確認するために安心が必要でした。
A2 verb /rɪˈpiːt/

repeat

繰り返す
Meaning
to say or do something again
Example
Could you please repeat what you just said?
今言ったことを繰り返してくれますか？
A2 noun /ruːf/

roof

屋根
Meaning
the top covering of a building or vehicle
Example
The roof of the house needs to be repaired.
家の屋根は修理が必要です。
B2 verb /rɪˈzɑlv/

resolve

解決する
Meaning
to solve a problem; to decide firmly
Example
The manager resolves the conflict between employees.
マネージャーは従業員間の対立を解決します。
C2 noun /ˈrɒndoʊ/

rondo

音楽作品（繰り返しのテーマを持つ）
Meaning
a musical composition with a recurring leading theme
Example
The pianist ended the recital with a lively rondo.
ピアニストは生き生きとしたロンドでリサイタルを終えました。
C2 noun /rɪˈsɪʒən/

rescission

契約解除
Meaning
the cancellation or annulment of a law, contract, or agreement
Example
The rescission of the contract left both parties disappointed.
契約の解除により、双方は失望しました。
C2 noun /ˈrɛv.ər.i/

reverie

白昼の夢; 夢想
Meaning
A state of being pleasantly lost in one's thoughts; a daydream.
Example
Lost in reverie, he didn't hear his name being called.
夢想にふけっているため、彼は名前が呼ばれるのを聞かなかった。
A2 noun /ruːl/

rule

規則
Meaning
an accepted principle or instruction that states what is allowed or what must be done.
Example
There are strict rules about safety in the lab.
実験室には安全に関する厳しい規則があります。
C1 noun /rɪˈspɒnsɪvnəs/

responsiveness

反応性
Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
マネージャーは彼女の顧客からのフィードバックに対する反応性を評価しました。
B2 verb /ˌriː.kənˈstrʌkt/

reconstruct

再建する
Meaning
to build or form something again after it has been damaged or destroyed
Example
The city was reconstructed after the earthquake.
その都市は地震後に再建されました。
C1 verb /rɪˈsɜːrdʒ/

resurge

再興
Meaning
To rise, increase, or become active again after a decline.
Example
Interest in traditional crafts has begun to resurge.
伝統工芸に対する関心が再び高まり始めています。
C1 verb /raɪl/

rile

Meaning
to irritate or annoy someone
Example
His careless comments really riled her.
C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

報酬; 報奨金; 料金
Meaning
money paid for work or services; compensation or reward
Example
The job offers excellent remuneration and benefits.
その仕事は優れた報酬と福利厚生を提供します。
B2 verb rɪˈstɔːr

restore

復元する
Meaning
To bring back to a former or original state; to reinstate.
Example
Restoring the tradition of student politics is necessary.
学生政治の伝統を復元することが必要です。
C2 verb /ˈrɔɪstər/

roister

大声で祝い
Meaning
to revel noisily; to engage in loud, boisterous celebration
Example
The fans roistered in the streets after the victory.
ファンは勝利後に街で騒いでいました。
C1 adjective /ˌret.rəˈspek.tɪv/

Retrospective

回顧的な
Meaning
looking back on or dealing with past events or situations
Example
The museum held a retrospective exhibition of the artist's work.
美術館はその画家の作品の回顧展を開催した。
C1 noun ˈrez.ɪ.djuː

residue

残留物
Meaning
A small amount of something that remains after the main part has gone or been removed.
Example
Soap residue affects appliance efficiency.
石鹸の残りが機器の効率に影響を与えます。
B2 adjective /ˈrest.ləs/

Restless

落ち着きのない
Meaning
unable to rest or relax; constantly moving or fidgeting
Example
The child was restless during the long car journey.
長い車の旅で子供は落ち着きがなかった。
B2 adjective /ˈrek.ləs/

Reckless

無謀な; 無鉄砲な; 危険な;
Meaning
acting without thinking about consequences; careless; dangerous;
Example
His reckless driving caused a serious accident.
彼の無謀な運転は深刻な事故を引き起こしました。
A2 noun /ˈruːlər/

ruler

支配者; 定規
Meaning
A person who governs or controls a country; a straight-edged tool used for measuring or drawing lines
Example
The ruler drew a straight line on the paper while the king was a powerful ruler of his kingdom.
ルーラーは紙にまっすぐな線を引き、王は自分の王国の強力な支配者でした。
C1 verb /ˌriːəˈdʒʌst/

readjust

再調整
Meaning
To change or move something again in order to achieve a better fit, condition, or balance.
Example
He readjusted the chair to make it more comfortable.
彼は椅子をもっと快適にするために再調整しました。
B1 noun /ˈreɪn.dɪər/

Reindeer

トナカイ
Meaning
a large deer with branched horns that lives in cold northern areas
Example
Santa's reindeer pulled his sleigh across the sky.
サンタのトナカイは空を越えてソリを引きました。
C2 verb /rɪˈkænt/

recant

撤回する
Meaning
to withdraw or renounce a statement or belief formally
Example
He recanted his previous statement in court.
彼は裁判で以前の発言を撤回しました。
A2 adverb /ˈriː.sənt.li/

Recently

最近
Meaning
in the recent past; not long ago
Example
I recently moved to a new apartment.
私は最近新しいアパートに引っ越しました。
B2 verb /ˈruːɪn/

ruin

台無しにする
Meaning
to destroy or damage beyond repair; to spoil completely
Example
Heavy rain could ruin our picnic plans.
強い雨が私たちのピクニックの計画を台無しにするかもしれません。
B2 noun /ˈraɪfəl/

Rifle

ライフル
Meaning
a gun with a long barrel that is fired from the shoulder
Example
The soldier carried a rifle during the mission.
兵士は任務中にライフルを携帯していました。
B2 adjective /ˈrɪtʃ.u.əl/

Ritual

儀式
Meaning
relating to religious or ceremonial practices
Example
The wedding ceremony included many traditional ritual elements.
結婚式では多くの伝統的な儀式が行われました。
C1 noun /rɪˈkluːs/

recluse

隠者
Meaning
A person who lives alone and avoids other people; someone who lives a solitary life.
Example
The old man lived as a recluse in the mountains.
その老人は山の中で隠者として暮らしていた。
B2 verb /riːp/

reap

収穫する
Meaning
to cut or gather a crop; to receive as a consequence of actions
Example
Farmers reap wheat in the late summer.
農家は晩夏に小麦を収穫します。
C2 noun /rɪˈkɒɡnɪzəns/

recognizance

法的義務
Meaning
A legal obligation or bond entered into before a court, especially to ensure future appearance.
Example
He was released on his own recognizance.
彼は自分の法的義務で釈放されました。
C2 adjective /ˈruːnɪk/

runic

ルーンに関連する
Meaning
relating to or consisting of runes; mysterious or magical
Example
The old stone had strange runic carvings on it.
古い石には奇妙なルーンの刻印がありました。
C2 noun /ˈræŋ.kər/

rancor

憎しみ
Meaning
A feeling of deep and bitter anger or resentment.
Example
There was a rancor between the two rivals that never faded.
二人のライバルの間には、決して消えることのない憎しみがあった。
A2 verb /raɪz/

rise

上がる
Meaning
to move upward; to get up from bed; to increase
Example
The sun rises in the east.
太陽は東から昇ります。
B2 noun /ˈreɪ.zən/

Raisin

レーズン
Meaning
dried grape
Example
She added raisins to the oatmeal cookies for extra sweetness.
彼女はオートミールクッキーに甘さを加えるためにレーズンを加えました。
B2 noun rɪˈkruːt.mənt

recruitment

採用
Meaning
The action of finding new people to join an organization or support a cause.
Example
Recruitment strengthens the workforce.
採用は労働力を強化します。
B1 noun /ˈrʌbər/

rubber

幸福
Meaning
a tough elastic substance made from the latex of tropical plants or synthetically, used for making tires, boots, and other products.
Example
The tires are made of natural rubber.
彼女は賞を受け取ったとき、自分の幸福を隠すことができませんでした。
B2 adjective /ˈræp.ɪd/

Rapid

迅速な；急速な；素早い；
Meaning
happening in a short time or at a fast pace
Example
The rapid growth of technology has changed our daily lives.
テクノロジーの急速な成長は私たちの日常生活を変えました。
A1 noun /reɪn/

Rain

雨
Meaning
water that falls from clouds in small drops
Example
The heavy rain forced us to stay indoors.
強い雨が私たちを屋内に閉じ込めました。
A2 noun rɪˈspɛkt

respect

尊敬
Meaning
A feeling of deep admiration for someone or something.
Example
We should show respect to the freedom fighters.
私たちは自由の戦士たちに尊敬を示すべきです。
C2 verb /ˈrʌstɪkeɪt/

rusticate

田舎に行く / 大学から一時的に追放する
Meaning
To go to the countryside or to suspend someone from university.
Example
He decided to rusticate in the village to escape the busy city life.
彼は忙しい都市生活から逃れるために村に行くことを決めました。
C2 noun /ˌrep.ɑːˈtiː/

Repartee

機知に富んだ返答
Meaning
conversation or speech characterized by quick, witty comments or replies
Example
The dinner party was filled with brilliant repartee between the guests.
ディナーでは、ゲスト間で素晴らしい機知に富んだ返答が交わされていました。
B2 verb /ˈroʊ.teɪt/

rotate

回転する
Meaning
to turn around a central point or axis
Example
The Earth rotates on its axis once every 24 hours.
地球は24時間ごとに自転します。
C1 noun /ˈrɒndɪvuː/

rendezvous

会合
Meaning
a meeting or appointment at an agreed time and place
Example
They arranged a secret rendezvous at the café.
彼らはカフェで秘密の会合を手配しました。
B2 verb /reɪp/

rape

強姦
Meaning
to force someone to have sexual intercourse without their consent
Example
The law strictly punishes those who commit rape.
法律は強姦を犯した者に厳罰を与えます。
A2 verb /rɪˈplaɪ/

reply

返事する
Meaning
to give an answer; to respond
Example
She replies to emails quickly.
彼女はすぐにメールに返信します。
B2 noun /ˈreɪ.dɑːr/

Radar

レーダー
Meaning
a system for detecting the presence, direction, distance of aircraft, ships by sending out radio waves
Example
The radar detected an unknown aircraft approaching the base.
レーダーは基地に接近する未知の航空機を検出しました。
C2 adjective /rɪˈdjuːsəbl̩/

reducible

Meaning
capable of being simplified, lessened, or made smaller
Example
The problem is complex but reducible to a few basic principles.
C2 adjective /rɪˈprɛsəbl̩/

repressible

抑制可能
Meaning
Capable of being restrained or suppressed.
Example
The movement proved to be hardly repressible.
その運動はほとんど抑制可能であることが証明されました。
B1 adjective /ˈrɔɪ.əl/

Royal

ロイヤル
Meaning
belonging to or connected with the monarch or monarchy; magnificent; excellent
Example
The royal family attended the ceremony.
ロイヤルファミリーが式典に出席しました。
A2 noun /ˈreɪl.weɪ/

Railway

鉄道
Meaning
a track made of steel rails along which trains run; a system of tracks with trains, stations, and other facilities
Example
The railway connects major cities across the country.
鉄道は国内の主要な都市を結んでいます。
B2 noun, verb /ræŋks/

ranks

ランク
Meaning
Positions within a group, especially in a hierarchy or organization.
Example
He quickly moved up the ranks of the army.
彼はすぐに軍隊のランクで上昇しました。