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C1 adjective /ˌrɛtroʊˈæktɪv/

retroactive

追溯的
Meaning
applying to a period before it was enacted or established
Example
The new law was made retroactive to cover past cases.
新法律追溯适用于过去的案件。
C1 noun /rɪˈpraɪ.zəl/

Reprisal

报复
Meaning
an act of retaliation; revenge taken for an injury or wrong
Example
The attack was carried out as a reprisal for the earlier bombing.
此次攻击是作为对早期爆炸事件的报复而进行的。
C1 noun /ˈriːbeɪt/

rebate

折扣/退款
Meaning
a partial refund given to someone who has paid too much money for something
Example
The store offered a rebate on bulk purchases.
商店对大宗购买提供了折扣。
C1 adjective /rɪˈpliːt/

replete

充满
Meaning
Filled or well-supplied with something; abundantly full.
Example
The book is replete with fascinating historical details.
这本书充满了迷人的历史细节。
C1 noun /ˌrɛpəˈreɪʃən/

reparation

赔偿
Meaning
the making of amends for a wrong done by paying money or helping those who were wronged
Example
The government offered reparations to the victims of the conflict.
政府向冲突受害者提供了赔偿。
C1 noun /ˈrɛvərəns/

reverence

崇敬
Meaning
deep respect for someone or something
Example
The students showed reverence to their teacher.
学生们向他们的老师表达了崇敬。
C1 noun /ˈrɛɡjəleɪtər/

regulator

调节器
Meaning
a person or device that controls or maintains the operation of a system
Example
The government appointed a new regulator for the financial sector.
政府为金融部门任命了新的调节器。
C1 noun /rɪˈpɔːrtɪʒ/

reportage

报道
Meaning
the act of reporting news or describing events in the media
Example
The magazine is known for its detailed reportage of political issues.
这本杂志以其对政治问题的详细报道而闻名。
C1 noun /ˈriːkɔːrs/

recourse

求助，援助
Meaning
a source of help or protection in a difficult situation
Example
The students had no recourse but to appeal to the principal.
学生们除了向校长上诉外别无选择。
C1 noun rɪˌdʒɛnəˈreɪʃən

regeneration

再生
Meaning
Renewal, growth and development of cells, tissues or energy
Example
Proper rest allows muscle regeneration after exercise.
适当的休息有助于运动后的肌肉再生。
C1 verb /ˌriːˈkæst/

recast

重新选择演员
Meaning
To present or change something in a different form or style.
Example
The director decided to recast the role with a younger actor.
导演决定用一位年轻演员重新安排这个角色。
C1 adjective /ˈrʌɡ.ɪd/

Rugged

粗糙不平；表面不规则；强壮而坚固
Meaning
rough and uneven; having a rough irregular surface; tough and strong
Example
The hikers crossed the rugged mountain terrain.
登山者穿越了崎岖的山地地形。
C1 noun ˌriː.pɚˈkʌʃ.ənz

repercussions

后果
Meaning
The unintended consequences or effects of an action or event.
Example
The new policy had unintended repercussions on the economy.
新的政策对经济产生了意外的影响。
C1 noun /ˈrɪɡər/

rigor

严格
Meaning
strictness, severity, or demanding conditions
Example
The training was carried out with great rigor.
培训以极大的严格性进行。
C1 verb /ˌriːˈtʌtʃ/

retouch

修饰
Meaning
To improve or repair a picture, photograph, or image by making small changes.
Example
The photographer retouched the image to remove blemishes.
摄影师对图片进行了修饰以去除瑕疵。
C1 noun /ˈroʊz ˈwɔː.tər/

Rose-water

玫瑰水
Meaning
a flavored water made by steeping rose petals in water, used in cooking and cosmetics
Example
She added a few drops of rose-water to the dessert.
她在甜点中加入了几滴玫瑰水。
C1 noun /ˈroʊdənt/

rodent

啮齿动物
Meaning
a small mammal such as a mouse, rat, or squirrel, characterized by constantly growing incisors
Example
The farmer set traps to catch the rodents in his barn.
农民设置了陷阱，以捕捉谷仓中的啮齿动物。
C1 noun /rɪˈpjuːt/

repute

名誉
Meaning
the opinion generally held of someone or something; reputation
Example
He is a scholar of great repute in his field.
他在他的领域享有很高的名誉。
C1 noun/verb /ˈræfəl/

raffle

销售彩票
Meaning
A means of raising money by selling numbered tickets, one or more of which are drawn at random for a prize; to sell something in such a lottery.
Example
The charity decided to raffle a bicycle to raise funds.
慈善机构决定通过抽奖出售自行车来筹集资金。
C1 noun /ˈrɛtrəsˌpɛkt/

retrospect

回顾
Meaning
the act of looking back on or reviewing past events
Example
In retrospect, the decision seemed unwise.
回顾来看，那个决定似乎不明智。
C1 verb /rɪˈfjuːt/

refute

驳斥
Meaning
To prove a statement, argument, or theory to be false or invalid.
Example
The lawyer refuted the witness's testimony with solid evidence.
律师用确凿的证据驳斥了证人的证词。
C1 adjective /rɪˈpjuː.t̬ɪd/

Reputed

有声望的; 出名的
Meaning
generally said or believed to be; having a particular reputation
Example
He is reputed to be one of the best doctors in the country.
他被认为是该国最好的医生之一。
C1 adjective /rɪˈvɜː.sə.bəl/

Reversible

可逆的
Meaning
able to be turned the other way around; able to be undone or changed back
Example
This jacket is reversible and can be worn on both sides.
这件夹克是可翻面的，可以正反两面穿着。
C1 verb /ˈreɪdieɪt/

radiate

辐射
Meaning
to emit energy or light; to spread out from a center
Example
The fireplace radiates warmth throughout the room.
壁炉向整个房间辐射热量。
C1 verb /ˈrek.ən.saɪl/

reconcile

调解, 和解, 协调
Meaning
Restore friendly relations between; cause to coexist in harmony.
Example
They tried to reconcile their differences through open communication.
他们通过开放的沟通尝试调解彼此的分歧。
C1 adjective /rɪˈpres.ɪv/

Repressive

压制性的
Meaning
restraining freedom or preventing self-expression; oppressive
Example
The repressive government banned all forms of protest.
压制性的政府禁止了所有形式的抗议。
C1 noun/verb /rɪˈpriːz/

reprise

重现
Meaning
A repetition or return to an earlier theme, role, or action.
Example
The actor reprised his role in the sequel.
演员在续集中重新扮演了他的角色。
C1 adjective /ˈrep.jə.tə.bəl/

Reputable

声誉良好
Meaning
having a good reputation; respected and trusted
Example
She works for a reputable law firm in the city.
她在这座城市的一个声誉卓著的律师事务所工作。
C1 verb /rɪˈpjuː.di.eɪt/

repudiate

拒绝
Meaning
to refuse to accept, recognize, or support something
Example
He repudiated the claim that he was involved in the scandal.
他拒绝了他参与丑闻的说法。
C1 noun /rɛnˈdɪʃən/

rendition

演绎
Meaning
a performance or interpretation of a piece of art, music, or text
Example
The singer gave a moving rendition of the classic song.
歌手献上了一场感人的经典歌曲演绎。
C1 noun /ˈræftər/

rafter

屋梁
Meaning
One of the sloping beams that supports a roof.
Example
The old barn’s rafters were exposed.
老谷仓的屋梁暴露在外。
C1 verb /ˌriː.kənˈviːn/

reconvene

重新召开
Meaning
to gather or assemble again, especially for a meeting
Example
The committee will reconvene after lunch.
委员会将在午餐后重新召开。
C1 noun /ˈrəʊ.bɒt əˈsɪs.tɪd prəˈsiː.dʒərz/

robot-assisted procedures

机器人辅助程序
Meaning
Medical operations performed with the help of robotic systems to enhance precision and control.
Example
Robot-assisted procedures reduce human error.
机器人辅助程序减少了人为错误。
C1 verb /ˌriːəˈfɜːrm/

reaffirm

重申
Meaning
To state again strongly; to confirm or strengthen a statement or belief.
Example
The president reaffirmed his commitment to education reform.
总统重申了他对教育改革的承诺。
C1 noun /ˌrɛstɪˈtjuːʃən/

restitution

赔偿
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.
法院命令对欺诈受害者进行赔偿。
C1 adjective /ˈroʊtəri/

rotary

旋转的
Meaning
Relating to or characterized by rotation; revolving around an axis.
Example
The machine uses a rotary engine to function efficiently.
这台机器使用旋转引擎高效地工作。
C1 adjective /ˈreɪdiənt/

radiant

光彩照人
Meaning
Shining brightly; expressing great happiness.
Example
She looked radiant in her wedding dress.
她在婚礼上穿着婚纱，看起来非常耀眼。
C1 verb /rɪˈdʒɛnəreɪt/

regenerate

再生
Meaning
to grow or produce again; to renew or restore
Example
The lizard can regenerate its lost tail.
蜥蜴可以再生它失去的尾巴。
C1 noun /rɪˈnaʊn/

Renown

声誉; 名声
Meaning
the condition of being known or talked about by many people; fame
Example
The scientist achieved international renown for her discoveries.
这位科学家因其发现而获得了国际声誉。
C1 noun /ˈrɑːstər/

roster

名单
Meaning
A list or plan showing people’s duties or times when they are scheduled.
Example
The manager updated the staff roster for next week.
经理更新了下周的员工名单。
C1 noun /rɪˈteɪnər/

retainer

预付款 / 固定器
Meaning
a fee paid in advance to secure someone's services, or a device that holds something in place
Example
The lawyer asked for a retainer before taking the case.
律师在接案之前要求预付款。
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.
骑自行车的人将一个红色反射器固定在他自行车的后面以确保安全。
C1 verb /riːˈkæptʃər/

recapture

重新夺回
Meaning
To take back or regain possession of something.
Example
The army managed to recapture the lost territory.
军队成功地重新夺回了失去的领土。
C1 noun /rʌk/

Ruck

推搡; 混乱的人群
Meaning
a situation where a crowd of people are pushing against each other; a disorderly crowd
Example
There was a ruck at the football match.
足球比赛中发生了推搡。
C1 verb /ˈrʌsl/

rustle

沙沙作响
Meaning
To make a soft, light sound like leaves or paper moving.
Example
The leaves rustled gently in the evening breeze.
树叶在傍晚的微风中轻轻地沙沙作响。
C1 adjective /ˈrek.wɪ.zɪt/

Requisite

必要的; 强制的
Meaning
made necessary by particular circumstances; required
Example
Good communication skills are requisite for this job.
良好的沟通技巧是这项工作的必要条件。
C1 verb /ˈrɛlɪɡeɪt/

relegate

降级
Meaning
to assign to a lower rank, position, or category
Example
The manager decided to relegate the player to the bench.
经理决定将球员降级到替补席。
C1 adjective /rɪˈsɜːrdʒənt/

resurgent

复兴的
Meaning
Becoming strong, active, or popular again.
Example
The resurgent economy gave hope to many businesses.
复兴的经济给许多企业带来了希望。
C1 noun /riːk/

Reek

有臭味; 给人强烈的不愉快或不想要的印象
Meaning
to have a very unpleasant smell; to give a strong impression of something unpleasant or undesirable
Example
The garbage can reeks of rotten food.
垃圾桶有腐烂食物的臭味。
C1 adjective /rɪˈbel.jəs/

Rebellious

反叛的; 不服从的; 抵抗控制的;
Meaning
defying authority; resisting control; disobedient;
Example
The rebellious teenager refused to follow his parents' rules.
那个叛逆的青少年拒绝遵守父母的规则。
C1 verb /ˌriːˈkæl.ɪ.breɪt/

recalibrate

重新校准, 重新调整
Meaning
To calibrate again or differently; to adjust or correct something based on new information or changed circumstances.
Example
The company had to recalibrate its strategies to adapt to the market.
公司必须重新校准其策略以适应市场。
C1 noun /ˈrɛ.trəʊ.fɪt.ɪŋ/

retrofitting

为旧系统添加新技术或功能
Meaning
The addition of new technology or features to older systems.
Example
The building underwent retrofitting to meet new safety standards.
这座建筑通过加装 retrofit 来满足新的安全标准。
C1 verb /riːˈpeɪ.tri.eɪt/

repatriate

遣返
Meaning
To return someone to their own country, often after war or imprisonment.
Example
The government worked to repatriate the refugees safely.
政府努力确保安全地将难民遣返回国。
C1 verb /ˌriːəˈdʒʌst/

readjust

重新调整
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.
他重新调整了椅子，使其更加舒适。
C1 noun /ræmˈbuːtən/

Rambutan

红毛丹
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.
红毛丹看起来很吓人，毛茸茸的皮肤，但里面的味道非常甜。
C1 verb /rɪˈvoʊk/

revoke

撤销
Meaning
To officially cancel or withdraw a decision, privilege, or right.
Example
The government decided to revoke his passport.
政府决定撤销他的护照。
C1 noun /rɪˈspɒndənt/

respondent

响应者
Meaning
A person who replies to something, especially in a survey or legal case
Example
The survey had over 1,000 respondents.
调查有超过1000名响应者。
C1 noun /ˈræʃən/

ration

配给
Meaning
a fixed amount of something, especially food, officially allowed to each person
Example
During the war, each family received a weekly ration of rice.
在战争期间，每个家庭每周获得固定的米饭配给。
C1 verb /rɒmp/

romp

快乐地玩耍
Meaning
to play or move in a lively, carefree, and energetic way
Example
The children romped happily in the garden.
孩子们在花园里高兴地玩耍。
C1 noun /ˌræm.ɪ.fɪˈkeɪ.ʃən/

ramification

后果
Meaning
a consequence of an action or event, often complex or unwelcome.
Example
The new law has serious social ramifications.
新法律有严重的社会后果。
C1 adjective /rɪˈsɛptɪv/

receptive

善于接受
Meaning
Willing to listen to or accept new ideas, suggestions, or experiences.
Example
She was receptive to feedback from her colleagues.
她对同事们的反馈持开放态度。
C1 noun /rɪˈmɔːrs/

Remorse

懊悔
Meaning
deep regret or guilt for a wrong committed; bitter regret for something done
Example
He felt deep remorse for his actions.
他对自己的行为感到深深的懊悔。
C1 noun ˈrɛp.ə.twɑːr

repertoire

剧目
Meaning
A stock of plays, dances, or pieces that a company or a performer knows or is prepared to perform.
Example
The actor's repertoire includes both comedy and drama.
演员的剧目包括喜剧和戏剧。
C1 adjective /ˈræɡ.ɪd/

Ragged

破旧的; 破损的; 破烂的
Meaning
torn; tattered; frayed; shabby
Example
The homeless man wore ragged clothes.
无家可归的人穿着破旧的衣服。
C1 verb ˈrɛk.tɪ.faɪ

rectify

纠正
Meaning
To correct mistakes or make something right.
Example
The company took steps to rectify its financial mistakes.
公司采取了措施来纠正其财务错误。
C1 noun /rʌsk/

Rusk

干饼干；烤面包
Meaning
a hard, dry biscuit or twice-baked bread; a type of crisp, sweet biscuit
Example
The baby enjoyed eating the soft rusk with milk.
宝宝喜欢吃奶时吃软脆饼干。
C1 noun /rɪˈpen.təns/

Repentance

悔改
Meaning
the action of repenting; sincere regret or remorse
Example
His genuine repentance moved everyone in the courtroom.
他真正的悔改感动了法庭上的所有人。
C1 verb /ˈrʌf.l̩/

ruffle

Meaning
to disturb the smoothness of something; to annoy or upset someone
Example
The wind ruffled her hair.
C1 adjective /ˈrɔːkəs/

raucous

喧闹的, 吵杂的
Meaning
loud, harsh, and unpleasant sound or behavior
Example
The crowd became raucous after the team scored.
当球队进球后，人群变得喧闹起来。
C1 verb /rɪˈtreɪs/

retrace

Meaning
to go back over a path or route; to recall and repeat steps taken earlier
Example
She retraced her steps to find her lost keys.
C1 noun rɪˈdʌndənsi

redundancy

冗余，过剩
Meaning
The state of being not or no longer needed or useful; superfluousness.
Example
The redundancy in the company's workforce led to many layoffs.
公司员工中的冗余导致了大量裁员。
C1 adjective /rɪˈpɛlənt/

repellent

驱虫剂
Meaning
Able to drive away something, especially insects or unpleasant things; causing disgust or distaste.
Example
This cream is highly effective as a mosquito repellent.
这款乳霜在防蚊方面非常有效。
C1 verb /riːˈfɜːrbɪʃ/

refurbish

翻新
Meaning
To renovate or redecorate something, especially a building.
Example
The company decided to refurbish its old office.
公司决定重新装修它的旧办公室。
C1 verb /rɪˈdiːm/

redeem

兑换
Meaning
to compensate for faults or mistakes; to exchange something for value
Example
He managed to redeem his reputation after the scandal.
他在丑闻后成功地挽回了自己的声誉。
C1 adjective /raɪf/

rife

普遍
Meaning
widespread or common, often in a negative sense
Example
Corruption was rife in the old government system.
腐败在旧政府体制中盛行。
C1 verb /ˌriːˈkɒn.stɪ.tʃuːt/

reconstitute

重建
Meaning
to restore something to its original form or state; to reassemble
Example
The group was reconstituted after the leader returned.
该小组在领导人归来后重新组建。
C1 adjective /ˌrɛprɪˈhɛnsəbl̩/

reprehensible

可耻的
Meaning
Deserving strong criticism or blame.
Example
His dishonest actions were truly reprehensible.
他的不诚实行为真是可耻的。
C1 noun /rɪˈsɜː.dʒəns/

resurgence

复兴
Meaning
An increase or revival after a period of little activity, popularity, or occurrence.
Example
The city saw a resurgence in tourism after the pandemic.
这座城市在大流行后看到了旅游业的复兴。
C1 noun /rɪft/

rift

裂缝
Meaning
a serious break in a relationship; a split or crack
Example
A rift developed between the two friends after the argument.
争执后，两个朋友之间产生了裂缝。
C1 noun /rɪˈmɪt.əns/

Remittance

汇款
Meaning
A sum of money sent in payment or as a gift.
Example
The country's economy benefits from expatriate remittance.
该国的经济从侨汇中受益。
C1 noun /rɪˈkɜr.əns/

Recurrence

复发
Meaning
the fact of something happening again; an instance of something happening again
Example
The doctor was concerned about the recurrence of the patient's symptoms.
医生对病人症状的复发感到担忧。
C1 noun/verb /rɪˈproʊtʃ/

reproach

指责 / 批评
Meaning
An expression of disapproval or disappointment; to criticize someone for doing wrong.
Example
She reproached him for arriving late to the meeting.
她因迟到而责备了他。
C1 noun ˌrɛk.əˈlɛk.ʃən

Recollection

回忆
Meaning
Remembering past events or information
Example
His recollection of childhood memories was vivid.
他对童年记忆的回忆很生动。
C1 verb rɪˈplɛn.ɪʃ

replenish

补充
Meaning
Fill something up again.
Example
Drinking water helps replenish lost fluids in the body.
喝水有助于补充身体失去的液体。
C1 verb /ˌriːɪmˈbɜːrs/

reimburse

报销
Meaning
to pay back money to someone who has spent it or lost it
Example
The company reimbursed him for travel expenses.
公司为他报销了旅行费用。
C1 noun /ˈrɒstrəm/

rostrum

讲台
Meaning
A raised platform for speakers, performers, or leaders.
Example
The politician delivered a speech from the rostrum.
政治家在讲台上发表了演讲。
C1 adjective /ˈræmʃækəl/

ramshackle

破旧
Meaning
poorly built or maintained; in a state of disrepair
Example
They lived in a ramshackle old house on the edge of town.
他们住在城市边缘的一座破旧老房子里。
C1 adjective /rɪˈmoʊtɪd/

remoted

远程的
Meaning
placed at a distance; made remote
Example
The system was remoted to a secure location.
系统已被远程到一个安全的地方。
C1 verb /ˈrevəl/

revel

陶醉
Meaning
to enjoy oneself in a lively and noisy way; to take great pleasure in
Example
They revel in their success.
他们沉浸在成功中。
C1 noun rɪˈdɛmpʃən

redemption

救赎
Meaning
The action of saving or being saved from sin, error, or evil.
Example
The story highlights the theme of redemption.
这个故事突出了救赎的主题。
C1 noun /ˈrep.lɪ.kə/

Replica

复制品
Meaning
an exact copy or model of something, especially one on a smaller scale
Example
The museum displayed a perfect replica of the ancient statue.
博物馆展示了古代雕像的完美复制品。
C1 verb /ˈræʃənəlaɪz/

rationalize

理性化
Meaning
to attempt to explain or justify behavior or decisions with logical reasons, even if they are not true or appropriate
Example
She tried to rationalize her lateness by blaming the traffic.
她试图通过怪罪交通来为自己的迟到辩解。
C1 adjective ˈriːdʒən spəˈsɪfɪk

region-specific

区域特定
Meaning
Relating to or characteristic of a particular region or area.
Example
Climate change impacts are region-specific.
气候变化的影响是区域特定的。
C1 noun /ˌrɛspɪˈreɪʃən/

respiration

Meaning
The process of breathing or the exchange of gases in living organisms.
Example
Respiration is essential for all living beings.
C1 noun /rɪˈfaɪnəri/

refinery

炼油厂
Meaning
an industrial facility where raw materials are processed and purified
Example
The oil refinery processes thousands of barrels daily.
石油炼油厂每天处理数千桶石油。
C1 verb /ˌriːˈvæmp/

revamp

翻新
Meaning
To give a new and improved form, structure, or appearance to something.
Example
The company decided to revamp its website for a modern look.
公司决定重新设计其网站，以获得现代化外观。
C1 noun /ræˈpɔːr/

rapport

关系
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.
老师与学生建立了良好的关系。
C1 adjective /rɪˈmiːdiəl/

Remedial

补救的; 修正的; 治疗的;
Meaning
intended as a remedy; corrective; providing a cure;
Example
The students need remedial classes to improve their math skills.
学生们需要补习课来提高他们的数学技能。
C1 adjective /rɪˈpen.tənt/

Repentant

悔过的; 懊悔的; 后悔的
Meaning
feeling or expressing sincere regret and remorse; sorry for one's actions
Example
The repentant thief returned the stolen money.
悔过的窃贼归还了被盗的钱。
C1 noun /rɪˈpɛərə/

repairer

修理工
Meaning
a person whose job is to fix damaged or broken things
Example
The repairer fixed the broken washing machine quickly.
修理工很快修好了坏掉的洗衣机。
C1 noun /rɪˈvʌlʃən/

revulsion

厌恶
Meaning
a strong feeling of disgust or repulsion
Example
She felt revulsion at the sight of the cruel act.
她看到残忍的行为时感到厌恶。
C1 adjective /ˈruːfəl/

rueful

遗憾的
Meaning
Expressing sorrow, regret, or pity.
Example
He gave a rueful smile after losing the match.
他在输掉比赛后露出了遗憾的笑容。
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.
C1 noun/verb /reɪn/

rein

Meaning
A strap used to control a horse; to control or guide something.
Example
The rider pulled the rein to stop the horse.
C1 adjective /rɪˈtaɪərɪŋ/

retiring

害羞
Meaning
Shy and reserved; avoiding social contact.
Example
She is a quiet, retiring woman who avoids attention.
她是一个安静、害羞的女人，避免引起注意。
C1 adjective /ˈrez.ə.luːt/

Resolute

坚决的；坚定的；不可动摇的
Meaning
determined; having a firm decision; unwavering
Example
She remained resolute in her decision to pursue her dreams.
她在追求梦想的决定中保持坚决。
C1 verb /ˌriːˈvaɪ.t̬əl.aɪz/

revitalize

重振
Meaning
To restore energy and effectiveness to something.
Example
The new policies aim to revitalize the economy.
新政策旨在重振经济。
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 rɪˈlɛntləs

relentless

不屈不挠
Meaning
Oppressively constant; incessant; showing no abatement of severity, intensity, strength, or pace.
Example
The freedom fighters' relentless struggle led to victory.
自由战士们的不屈不挠的斗争导致了胜利。
C1 noun /rɪˈkɒnɪsəns/

reconnaissance

侦察
Meaning
A survey or exploration, especially for military or strategic purposes.
Example
The soldiers conducted a reconnaissance of the enemy camp.
士兵们进行了敌营的侦察。
C1 adjective /rɪˈflek.sɪv/

Reflexive

反思的; 自我反省的
Meaning
directed back on itself; showing deep thought about oneself
Example
She became more reflexive about her behavior after the feedback.
她在反馈后变得更加反思自己的行为。
C1 verb /rɪˈsɜːrdʒ/

resurge

复兴
Meaning
To rise, increase, or become active again after a decline.
Example
Interest in traditional crafts has begun to resurge.
对传统手工艺的兴趣已经开始复兴。
C1 noun /ˈraɪtʃəsnəs/

righteousness

正义
Meaning
the quality of being morally right or justifiable
Example
His life was dedicated to righteousness and truth.
他的一生致力于正义和真理。
C1 verb /rɪˈdʒuː.vɪ.neɪt/

rejuvenate

恢复活力
Meaning
To make or feel young, healthy, or energetic again.
Example
A vacation can rejuvenate the mind and body.
度假可以使身心焕发活力。
C1 verb /rɪˈzaʊnd/

resound

回响
Meaning
To fill a place with sound; to be celebrated or talked about widely.
Example
The hall resounded with applause.
大厅里回荡着掌声。
C1 noun /ˌrɛs.ɪˈprɒs.ɪ.ti/

reciprocity

为了共同利益与他人交换物品的做法
Meaning
The practice of exchanging things with others for mutual benefit.
Example
Business relationships thrive on reciprocity.
商业关系依赖于互惠。
C1 adjective, noun /rɪˈsiːvəbl/

receivable

应收款项
Meaning
Money that is owed to a company and is expected to be paid.
Example
The company's receivables increased significantly this quarter.
公司的应收账款在本季度大幅增加。
C1 adjective /ˈraʊzɪŋ/

rousing

激动人心
Meaning
Exciting, inspiring, or stirring.
Example
The speaker delivered a rousing speech that moved the audience.
演讲者发表了一个激动人心的演讲，打动了观众。
C1 verb /ˈrɪvɪt/

rivet

用铆钉固定 / 吸引注意
Meaning
to fasten or secure with a rivet; to hold someone’s attention firmly
Example
The craftsman riveted the metal plates together.
工匠用铆钉把金属板固定在一起。
C1 adjective /ˌrɛmɪˈnɪsənt/

reminiscent

唤起回忆的
Meaning
Tending to remind one of something; suggestive of something in the past.
Example
The smell of rain is reminiscent of my childhood in the village.
雨的气味让我想起了我在村里的童年。
C1 verb /ˈrɛplɪkeɪt/

replicate

复制
Meaning
to copy, reproduce, or duplicate something exactly
Example
The scientist tried to replicate the experiment for accuracy.
科学家尝试复制实验以确保准确性。