B2 adjective /ˈrʌs.ti/

Rusty

錆びた; 練習不足; 最近の練習不足による障害

Meaning

affected by rust; out of practice; impaired by lack of recent practice

Example

My piano skills are rusty after not playing for years.

何年もピアノを弾いていなかったので、私のピアノのスキルは錆びついています。

B2 verb /ˈræl.i/

rally

Meaning

to come together for a common purpose or to recover strength or spirit

Example

The team rallied after halftime and won the match.

B2 noun /ˌreɡ.jʊˈleɪ.ʃənz/

regulations

規制

Meaning

Rules or directives made and maintained by an authority.

Example

Strict regulations ensure fair practices.

厳格な規制は公正な慣行を確保します。

B2 noun, verb /rɪər/

rear

後ろ / 育てる

Meaning

the back part of something; to bring up or raise children or animals

Example

The mother cat reared her kittens in a quiet corner.

母猫は静かな隅で子猫たちを育てました。

B2 adjective /ˈrɑː.ki/

Rocky

岩だらけの; 不安定な; 難しい

Meaning

full of rocks; unsteady; difficult

Example

The rocky path made hiking difficult for the tourists.

岩だらけの道は観光客のハイキングを難しくしました。

B2 noun /ˈraɪvəlri/

Rivalry

ライバル関係; 競争

Meaning

competition for the same objective or for superiority in the same field; the state of being rivals

Example

The rivalry between the two teams made the match exciting.

二つのチーム間のライバル関係が試合を興奮させた。

B2 noun /ˈreɪʃoʊ/

ratio

比率

Meaning

a relationship between two numbers showing how many times the first number contains the second

Example

The ratio of boys to girls in the class is 2:1.

クラスでの男の子と女の子の比率は2:1です。

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。

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 adjective /rɪˈlʌktənt/

Reluctant

消極的な; ためらう; 何かをすることに抵抗がある;

Meaning

unwilling; hesitant; disinclined to do something;

Example

She was reluctant to share her personal information.

彼女は個人情報を共有することに消極的でした。

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 noun /rʌʃ/

Rush

急ぎ; ラッシュ

Meaning

a sudden quick movement toward something; a period of great activity or demand; hurry

Example

There was a rush to buy tickets for the concert.

コンサートのチケットを買うために急いでいました。

B2 noun /ˈruːdnəs/

Rudeness

無礼

Meaning

the quality of being impolite, discourteous, or offensive in behavior or speech

Example

His rudeness shocked everyone at the dinner party.

彼の無礼さはディナーパーティーで皆を驚かせました。

B2 noun /ˈrɛfjuːdʒ/

refuge

避難所

Meaning

a place that provides shelter or protection from danger or distress

Example

The villagers took refuge in the temple during the storm.

村人たちは嵐の間、寺院に避難した。

B2 verb /rɪˈvɜːrt/

revert

戻る

Meaning

to return to a previous state, condition, or practice

Example

The system will revert to its original settings after the update.

システムは更新後、元の設定に戻ります。

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。

B2 verb /rɪˈdʒɔɪs/

rejoice

喜ぶ

Meaning

to feel or show great joy; to celebrate

Example

The family rejoices at the good news.

その家族は良いニュースに喜んでいます。

B2 verb /rɒt/

rot

腐る

Meaning

to decay or decompose; to become corrupt

Example

The fruit will rot if left in the sun.

果物は日光に当たると腐ります。

B2 noun/verb /rɪˈmɑːrk/

remark

発言

Meaning

something that is said; a comment

Example

She made a remark about the weather.

彼女は天気について発言した。

B2 noun, verb /ræmp/

ramp

ランプ

Meaning

a sloping surface joining two different levels; as a verb, to increase or rise sharply

Example

The car drove up the ramp into the parking garage.

車は駐車場のランプを上がった。

B2 noun/adjective /rɪˈpʌblɪkən/

republican

共和党員

Meaning

a member or supporter of a republican political party or system

Example

The republican candidate won the election.

リパブリカン候補者は選挙に勝利しました。

B2 noun /'ræd.ɪʃ/

Radish

ラディッシュ

Meaning

a small pungent edible root vegetable with white or red skin

Example

The farmer harvested fresh radishes from the garden.

農家は庭から新鮮なラディッシュを収穫しました。

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。

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。

B2 verb /rɪˈzɪst/

resist

抵抗する

Meaning

to oppose or fight against; to withstand

Example

He could not resist the temptation.

彼は誘惑に抵抗できませんでした。

B2 verb /rɪˈfaɪn/

refine

洗練する

Meaning

to improve by making small changes; to purify

Example

The chef refines the recipe to perfection.

シェフはレシピを完璧に洗練します。

B2 noun /ˌref.jʊˈdʒiː/

Refugee

難民

Meaning

a person who has been forced to leave their country in order to escape war, persecution, or natural disaster

Example

The refugee camp provided temporary shelter for thousands of displaced families.

難民キャンプは、何千人もの避難した家族に一時的な避難所を提供しました。

B2 verb /rɪˈzɜːv/

reserve

予約する

Meaning

to keep something for future use; to book in advance

Example

I want to reserve a table for dinner.

ディナーのためにテーブルを予約したいです。

B2 noun /ˈraɪət/

Riot

暴動; 騒乱

Meaning

a violent disturbance of the peace by a crowd; an uncontrolled outburst

Example

The peaceful protest turned into a riot when violence broke out.

平和的な抗議は暴力が起こったときに暴動に変わった。

B2 verb /ˈrɛnəˌveɪt/

renovate

改装する

Meaning

to restore something old to a good state or to improve it

Example

They decided to renovate the old house before moving in.

彼らは引っ越す前に古い家を改装することに決めました。

B2 verb /ˈreɡjəleɪt/

regulate

規制する

Meaning

to control or maintain according to rules or laws

Example

The government regulates food safety.

政府は食品安全を規制しています。

B2 verb /rɪˈɡeɪn/

regain

回復する

Meaning

to get back something that was lost; to recover

Example

He regains his strength after the illness.

彼は病気の後、力を回復する。

B2 noun /ˈreɪ.zɪnz/

Raisins

レーズン

Meaning

dried grapes, often used in cooking and baking

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た。

B2 noun /ˈruːmər/

rumor

噂

Meaning

a currently circulating story or report of uncertain or doubtful truth.

Example

There’s a rumor that the company will merge next year.

来年、会社が合併するという噂があります。

B2 adjective /rɪˈfaɪnd/

Refined

洗練された; 精製された

Meaning

elegant and cultured in appearance, manner, or taste; purified

Example

She has very refined taste in art and music.

彼女は芸術と音楽に非常に洗練された趣味を持っています。

B2 noun /rɪˌlaɪəˈbɪləti/

reliability

信頼性

Meaning

the quality of being trustworthy or performing consistently well

Example

Customers value the reliability of our service.

お客様は私たちのサービスの信頼性を重視しています。

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。

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。

B2 noun ˌreɪ.di.oʊ.ækˈtɪv.ə.ti

radioactivity

放射性

Meaning

The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.

Example

Radioactivity is used in medical treatments like cancer therapy.

放射性は、がん治療のような医療に用いられている。

B2 noun /rɪˈmuː.vəl/

Removal

撤去; 除去; 解雇;

Meaning

the action of taking something away or eliminating it; dismissal from office

Example

The removal of the old furniture took all day.

古い家具の除去に一日中かかりました。

B2 verb /rɪˈkʌvərɪŋ/

recovering

回復

Meaning

the process of getting better after illness, loss, or difficulty

Example

She is still recovering from the flu.

彼女はまだインフルエンザから回復しています。

B2 noun /rɛlm/

realm

Meaning

A kingdom or domain; a field or area of activity or interest.

Example

He is well known in the realm of science.

B2 noun /rɪˈmaɪndər/

reminder

リマインダー

Meaning

something that helps you remember a fact, event, or action that you need to do or recall

Example

He set a reminder to call his mother on her birthday.

彼は母親の誕生日に電話するためにリマインダーを設定しました。

B2 noun /ˌriː.ɪnˈfɔːrs.mənt/

reinforcement

強化

Meaning

Strengthening or supporting something, especially behavior or learning.

Example

Positive reinforcement helps in learning.

積極的な強化は学習に役立ちます。

B2 verb /rɪˈzaɪd/

reside

住む

Meaning

to live or dwell in a particular place

Example

They reside in a large house near the river.

彼らは川の近くの大きな家に住んでいます。

B2 noun /ˈreɪsɪzəm/

racism

人種差別

Meaning

the belief that some races are superior to others, leading to unfair treatment or prejudice

Example

The organization works to eliminate racism in all forms.

その組織はすべての形態の人種差別を排除するために取り組んでいます。

B2 noun /rɪˈvaɪ.vəl/

Revival

復活

Meaning

an improvement in the condition or strength of something; renewed interest in or attention to something

Example

There has been a revival of interest in traditional crafts.

伝統的な工芸への関心が復活しました。

B2 verb /ˌriːprəˈdjuːs/

reproduce

再生する, 繁殖する

Meaning

To make a copy of something; to generate offspring.

Example

Many animals reproduce rapidly in favorable conditions.

多くの動物は好ましい条件下で急速に繁殖します。

B2 verb /riːˈɔːrɡənaɪz/

reorganize

再編成する

Meaning

to arrange something again in a different way for greater efficiency or order

Example

The manager decided to reorganize the team structure.

マネージャーはチームの構造を再編成することに決めました。

B2 noun /ˈrɛlɪvəns/

relevance

retreat

撤退する

Meaning

to move back or withdraw from a position or situation

Example

The soldiers had to retreat after losing the battle.

兵士たちは戦いに負けた後、撤退しなければならなかった。

B2 noun /roʊst/

Roast

ロースト肉

Meaning

Meat cooked by dry heat in an oven or over an open fire

Example

The Sunday roast was perfectly cooked and very tender.

日曜日のローストは完璧に調理され、とても柔らかかった。

B2 verb /ˌriː.kənˈsɪd.ər/

reconsider

再考する

Meaning

to think about something again, especially to change a decision or opinion

Example

She decided to reconsider her decision about moving abroad.

彼女は海外に引っ越すという決断を再考することに決めました。

B2 verb /rɪˈzuːm/

resume

再開する

Meaning

to start again after a pause or interruption

Example

We will resume the meeting after lunch.

ランチの後に会議を再開します。

B2 verb /ˈræm.bəl/

ramble

Meaning

to talk or write at length in a confused or inconsequential way; to walk for pleasure without a fixed route.

Example

He rambled on about his childhood for hours.

B2 noun /ˈroʊstɪd miːt/

Roasted meat

ロースト肉

Meaning

meat cooked by dry heat in an oven or over fire

Example

The roasted meat was perfectly seasoned and tender.

ロースト肉は完璧に調味され、柔らかかった。

B2 adjective /ˌrez.ɪˈden.ʃəl/

residential

住宅の

Meaning

Designed for people to live in.

Example

The institution was fully residential.

その施設は完全に住宅のものでした。

B2 adverb /rɪˈspektɪvli/

Respectively

それぞれ; 指定された順序で; 別々に、そしてすでに言及された順序で

Meaning

in the order given; separately and in the order already mentioned

Example

John and Mary are 25 and 30 years old respectively.

ジョンとメアリーはそれぞれ25歳と30歳です。

B2 adjective ˈræd.ɪ.kəl

radical

伝統的な信念やシステムに反する根本的な変化をもたらす能力がある

Meaning

Capable of bringing fundamental changes opposite to conventional beliefs or systems.

Example

The leader proposed radical economic reforms.

リーダーはラディカルな経済改革を提案しました。

B2 noun /ˈrɛzərvwɑːr/

reservoir

貯水池

Meaning

A large natural or artificial lake used as a source of water supply.

Example

The city built a new reservoir to ensure enough drinking water for its residents.

その都市は住民に十分な飲料水を確保するために新しい貯水池を建設した。

B2 verb /rɪˈkruːt/

recruit

採用する

Meaning

to enlist or hire people for a job, service, or membership

Example

The company is trying to recruit more software engineers.

その会社はもっと多くのソフトウェアエンジニアをリクルートしようとしています。

B2 noun /ˈruːmər/

Rumour

噂; ゴシップ; ニュース

Meaning

a currently circulating story or report of uncertain or doubtful truth; gossip

Example

There's a rumour that the company will close next month.

会社が来月閉鎖されるという噂があります。

B2 adjective rɪˈnaʊnd

renowned

著名

Meaning

Known or talked about by many people; famous.

Example

The renowned scientist led the reform panel.

その著名な科学者は改革パネルを指導しました。

B2 verb /reɪn/

reign

統治する

Meaning

to rule as a king or queen; to be dominant

Example

The queen reigned for over sixty years.

女王は60年以上統治していました。

B2 verb /ˌriːjuˈnaɪt/

reunite

再会する

Meaning

to bring together again after separation

Example

The family was reunited after many years.

その家族は何年も後に再会しました。

B2 noun rɪˈsɛʃ.ən

recession

景気後退

Meaning

A period of temporary economic decline during which trade and industrial activity are reduced.

Example

The country faced a severe recession due to the financial crisis.

その国は金融危機のため深刻な景気後退に直面した。

B2 noun /ˈrɪə.lɪ.zəm/

realism

リアリズム

Meaning

The quality of representing things as they are; a practical or factual view.

Example

Her paintings are admired for their realism.

彼女の絵画はそのリアリズムで賞賛されています。

B2 verb /ˈrendər/

render

提供する

Meaning

to provide or give; to make or cause to become

Example

The artist renders the scene beautifully.

アーティストはシーンを美しく表現します。

B2 noun, verb, adjective /ræŋk/

rank

ランク

Meaning

A position in a hierarchy; to place in order according to importance or quality.

Example

She quickly rose to a senior rank in the company.

彼女は会社で素早く上級ランクに昇進しました。

B2 verb /rɪˈsaɪt/

recite

暗唱する

Meaning

To say aloud something learned, especially poetry or text, from memory.

Example

The child recited a poem in front of the class.

その子はクラスの前で詩を暗唱しました。

B2 verb /rɪˈstrɪkt/

restrict

制限する

Meaning

To limit the size, amount, or range of something.

Example

The government decided to restrict the use of plastic bags.

政府はプラスチック袋の使用を制限することを決定しました。

B2 noun /ˌrep.ɪˈtɪʃ.ən/

Repetition

繰り返し

Meaning

the action of repeating something that has already been said or written

Example

Constant repetition helps students memorize vocabulary effectively.

継続的な繰り返しは、学生が語彙を効果的に覚えるのを助けます。

B2 adjective /ˈroʊlɪŋ/

rolling

転がる

Meaning

moving in gentle undulations; moving forward by turning over and over

Example

They drove through the rolling hills of the countryside.

彼らは田舎の転がる丘を通り抜けました。

B2 noun /red liːf/

Red leaf

赤い葉

Meaning

red-colored leafy vegetable; amaranth leaves used as greens

Example

Red leaf is rich in iron and is commonly eaten in Bengali households.

赤い葉は鉄分が豊富で、ベンガルの家庭でよく食べられます。

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。

B2 noun /rɪˈhɜːr.səl/

Rehearsal

リハーサル; 公演の練習

Meaning

a practice performance of a play, concert, or other work for later public performance

Example

The final rehearsal before opening night went perfectly.

開幕前の最後のリハーサルは完璧でした。

B2 adjective ˌriːprəˈdʌktɪv

reproductive

繁殖に関する

Meaning

Relating to the reproduction of offspring.

Example

The reproductive cycle of pests can cause rapid infestations.

害虫の生殖サイクルは迅速な感染を引き起こす可能性があります。

B2 adverb /ˈred.ɪ.li/

Readily

快く; 簡単に; ためらわずに

Meaning

willingly; easily; without hesitation

Example

She readily agreed to help with the project.

彼女は喜んでプロジェクトを手伝うことに同意した。

B2 noun rɪˈpʌb.lɪk

republic

共和国

Meaning

A state in which supreme power is held by the people and their elected representatives, with an elected or nominated president rather than a monarch.

Example

A republic is governed by representatives of the people.

共和国は人民の代表者によって治められています。

B2 adverb /ˈraɪtli/

Rightly

正しく; 適切に; 公正に

Meaning

correctly; properly; justly

Example

She rightly pointed out the mistakes in the report.

彼女は報告書の誤りを正しく指摘した。

B2 noun /ˌrɛɡ.jʊˈleɪ.ʃən/

regulation

権限によって作成され、維持される規則または指示

Meaning

A rule or directive made and maintained by an authority.

Example

Government regulation ensures fair business practices.

政府の規制は公平なビジネス慣行を確保します。

B2 noun /rɪˈfjuː.zəl/

Refusal

拒否; 拒絶

Meaning

the act of saying no to something or not accepting something

Example

His refusal to cooperate made the project more difficult.

彼の協力拒否はプロジェクトをさらに難しくした。

B2 noun rɪˈzentmənt

resentment

憤り

Meaning

Bitter indignation at having been treated unfairly.

Example

Resentment grew among the students.

学生の間で憤りが増大した。

B2 noun ˈruθləs ˌkɑmpəˈtɪʃən

ruthless competition

容赦ない競争

Meaning

Fierce and merciless rivalry or contest, without pity or compassion.

Example

Ruthless competition for power leads to societal issues.

権力のための容赦ない競争は社会問題を引き起こします。

B2 noun /rɪˈlʌk.təns/

Reluctance

嫌悪感; ためらい

Meaning

unwillingness to do something; hesitation

Example

He showed reluctance to accept the job offer.

彼は仕事のオファーを受け入れることに嫌悪感を示した。

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。

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。

B2 adjective /rɪˈzɜːrvd/

Reserved

控えめな; 内向的な

Meaning

slow to reveal emotion or opinions; restrained in manner

Example

She is quite reserved and doesn't talk much in meetings.

彼女はかなり控えめで、会議ではあまり話しません。

B2 noun rɪˈzɪl.i.əns

resilience

レジリエンス

Meaning

The ability to recover quickly from difficulties; toughness.

Example

Testing the resilience of wood is crucial.

木材のレジリエンスをテストすることは非常に重要です。

B2 verb /rɪˈkɔːl/

recall

思い出す

Meaning

to bring (a memory, fact, or situation) back into one's mind

Example

I can't recall the last time we met.

最後に会った時のことを思い出せません。

B2 noun /ˌren.əˈveɪ.ʃən/

Renovation

リノベーション; 改修

Meaning

the act of renovating; restoration to a former better state

Example

The old house underwent a complete renovation last year.

その古い家は昨年完全な改修を受けました。

B2 verb /rɪˈliːv/

relieve

Meaning

to make pain, distress, or difficulty less severe or serious

Example

The medicine helped relieve his headache.

B2 adjective /ˈrɒt.ən/

Rotten

腐った; 悪い

Meaning

decayed; spoiled; bad

Example

The apple is rotten and should be thrown away.

リンゴは腐っていて、捨てるべきです。

B2 adverb /rɪˈmɑːrkəbli/

remarkably

驚くべき方法で

Meaning

in a way that is worthy of attention or notice; surprisingly

Example

She did remarkably well in the competition.

彼女はコンペティションで驚くべき成果を上げました。

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 verb /ˈraɪpən/

ripen

幸せ

Meaning

to become or make something ready to eat or fully developed

Example

The bananas ripened quickly in the warm weather.

彼女は賞を受け取ったとき、幸せを隠せなかった。

B2 adjective /rɪˈflektɪv/

Reflective

反射的; 思慮深い; 光や画像を反射できる

Meaning

thoughtful; contemplative; able to reflect light or images

Example

After the meeting, he was in a reflective mood.

会議の後、彼は反射的な気分だった。

B2 adjective /ˈrɪdʒ.ɪd/

Rigid

硬直

Meaning

hard and stiff; not able to bend; strict and unwilling to change

Example

The company has a rigid dress code that all employees must follow.

会社にはすべての従業員が従う必要がある厳格なドレスコードがあります。

B2 noun /ˈreɪ.zər/

Razor

かみそり

Meaning

a sharp-edged instrument used for shaving hair from the skin

Example

He shaved his beard with a sharp razor.

彼は鋭いかみそりでひげを剃った。

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。

B2 adverb /ruːˈtiːnli/

routinely

定期的に

Meaning

as part of a regular procedure; habitually

Example

The staff routinely checks the equipment for safety.

スタッフは定期的に安全のために機器を点検します。

B2 noun ˌriːfɔːˈreɪʃən

reforestation

再植林

Meaning

The natural or intentional restocking of existing forests and woodlands that have been depleted.

Example

Reforestation efforts are crucial to restoring ecosystems.

再植林の努力は、生態系の回復に重要です。

B2 verb /ˌriː.ɪnˈfɔːrs/

reinforce

強化する

Meaning

To strengthen or support something with additional material, people, or effort.

Example

The teacher used examples to reinforce the lesson.

教師は例を使って授業を強化しました。

B2 noun /ˌrɪəlɪˈzeɪʃən/

realization

実現

Meaning

the act of becoming fully aware of something as a fact

Example

Her realization of the problem helped solve the issue.

彼女の問題の認識が問題解決に役立った。

B2 adverb /rɪˈlʌk.tənt.li/

Reluctantly

いやいや

Meaning

in an unwilling manner; with hesitation or resistance

Example

She reluctantly agreed to help with the project.

彼女はプロジェクトを手伝うことに渋々同意した。

B2 noun /ˌrezəˈveɪʃən/

Reservation

予約

Meaning

the action of reserving something; an arrangement whereby something is reserved for a particular person; a qualification to an expression of agreement or approval

Example

I made a reservation at the restaurant for tonight.

今夜のレストランの予約をしました。

B2 noun /ˈriːteɪlər/

retailer

小売業者

Meaning

a person or business that sells goods to consumers rather than to other businesses

Example

The retailer offers discounts on electronic products.

小売業者は電子製品に割引を提供しています。

B2 adverb /ˈræp.ɪd.li/

Rapidly

速やかに; 急速に

Meaning

at a fast speed; quickly

Example

The company is rapidly expanding into new markets.

会社は新しい市場に急速に拡大しています。

B2 noun /ˈrep.taɪl/

Reptile

爬虫類

Meaning

a cold-blooded animal with scaly skin that lays eggs on land

Example

The lizard is a common reptile found in gardens.

トカゲは庭で見られる一般的な爬虫類です。

B2 noun /roʊˈteɪʃən/

Rotation

回転; 回転運動; 自転

Meaning

the action of rotating around an axis or center; a single turn

Example

The Earth's rotation takes 24 hours to complete.

地球の回転は24時間かかります。

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 /reɪdʒ/

rage

怒り

Meaning

intense anger or fury

Example

She shouted in a fit of rage after hearing the news.

彼女はそのニュースを聞いて怒りの叫び声を上げました。

B2 noun /ˈrem.ə.di/

Remedy

薬; 治療; 問題解決の手段

Meaning

a medicine or treatment for a disease; a solution to a problem

Example

This herbal remedy helps with headaches.

このハーブの薬は頭痛に効く。

B2 noun /ˈrɒbər/

robber

強盗

Meaning

a person who steals property from others, often using force or threat

Example

The robber was caught after a quick police chase.

素早い警察の追跡の後、強盗は捕まった。

B2 verb /ˈrɛkən/

reckon

推測する

Meaning

To think, believe, or expect something; to calculate or estimate.

Example

I reckon it will rain later today.

今日は後で雨が降るだろうと思います。

B2 noun /ræɡ/

Rag

古い布; 掃除に使われる擦り切れた衣類

Meaning

a piece of old cloth used for cleaning; worn-out clothing

Example

She used an old rag to clean the dusty table.

彼女は古い布を使って、ほこりだらけのテーブルを掃除しました。

B2 adjective /rɪˈliːvd/

relieved

安心した

Meaning

feeling happy and less worried after something stressful has been removed or resolved

Example

She felt relieved after hearing the good news.

良い知らせを聞いた後、彼女は安心した。

B2 adjective /ˈrændəm/

Random

ランダム

Meaning

without pattern or predetermined order; happening by chance

Example

She selected a random book from the library shelf.

彼女は図書館の棚からランダムに本を選びました。

B2 noun /ˌrɛvəˈleɪʃən/

revelation

啓示

Meaning

A surprising and previously unknown fact, especially one made known in a dramatic way.

Example

The book was full of shocking revelations about the politician.

その本はその政治家に関する衝撃的な啓示で満ちていました。

B2 noun /rɪˈsɛs/

recess

休憩

Meaning

A short break from work or school; also a small space set back in a wall.

Example

The children played outside during recess.

子供たちは休憩中に外で遊びました。

B2 adjective /ˈreɪsɪst/

racist

人種差別主義者

Meaning

showing or feeling discrimination or prejudice against people of other races

Example

He was accused of making racist comments.

彼は人種差別的なコメントをしたとして非難された。