Rumpus
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C1 noun /ˈrʌmpəs/

Rumpus

喧闹; 骚动; 混乱
Meaning
a noisy disturbance; an uproar or commotion
Example
The children caused quite a rumpus in the playground.
孩子们在游乐场引起了相当大的骚乱。
C1 noun /ˈrʌfiən/

Ruffian

流氓; 暴力的人;
Meaning
a violent person, especially one involved in crime; a brutal or lawless person
Example
The ruffian threatened the shopkeeper for money.
流氓威胁店主要钱。
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 /ˈrɛpərˌtɔːri/

repertory

剧目
Meaning
A collection of works that a company, performer, or institution regularly performs; also a storehouse of information or skills.
Example
The theater has a repertory of classic plays.
剧院有一系列经典剧目的演出。
C1 noun /rəˈpɪdəti/

rapidity

迅速
Meaning
The quality of moving or happening quickly; swiftness or speed.
Example
The rapidity of technological change is astonishing.
技术变化的速度令人震惊。
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 adjective /rɪˈzɪdjuəl/

residual

剩余的
Meaning
Remaining after the greater part has gone.
Example
The patient experienced residual pain after the surgery.
病人在手术后经历了剩余的疼痛。
C1 verb /raʊz/

rouse

唤醒
Meaning
To awaken from sleep or to stir into action.
Example
The loud alarm roused him from his deep sleep.
响亮的警报把他从深度睡眠中唤醒。
C1 noun /rɪˈpreʃən/

Repression

压制
Meaning
the action of subduing someone or something by force; the restraint, prevention, or inhibition of a feeling, impulse, etc.
Example
The government's repression of free speech sparked widespread protests.
政府对言论自由的压制引发了广泛的抗议。
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 phrase ˈriː.dʒən.əl ˈfɔː.rəm

regional forum

地区论坛
Meaning
A meeting or conference where representatives from countries or organizations in a specific geographical area discuss issues of common interest.
Example
The Regional Forum discussed deforestation impacts.
地区论坛讨论了砍伐森林的影响。
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 /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 /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 /rɪˈsaɪtər/

reciter

朗诵者
Meaning
a person who recites or repeats something aloud from memory, especially poetry, prayers, or formal texts
Example
The reciter delivered the poem with clarity and emotion.
朗诵者清晰而富有感情地朗诵了这首诗。
C1 adjective /ˈrɛtroʊˌɡreɪd/

retrograde

逆行的
Meaning
moving backward or returning to a worse condition
Example
The policy was seen as a retrograde step for human rights.
该政策被视为人权的倒退步骤。
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 /ræpt/

Rapt

着迷的
Meaning
completely fascinated or absorbed by what one is seeing or hearing
Example
The children listened with rapt attention to the storyteller.
孩子们专心听故事讲述者的话。
C1 noun /riˈæktənt/

reactant

Meaning
A substance that takes part in and undergoes change during a chemical reaction.
Example
Oxygen is a reactant in the process of combustion.
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 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.
C1 verb /rɪˈkɔɪl/

recoil

后退
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.
她看到蛇时吓得后退。
C1 noun /rɪˈmɛmbrəns/

remembrance

纪念
Meaning
the act of remembering or honoring someone or something
Example
A service was held in remembrance of the fallen soldiers.
为阵亡士兵举行了纪念仪式。
C1 noun /ˌrɛkwɪˈzɪʃən/

requisition

要求
Meaning
An official order laying claim to the use of property or materials; a formal demand or request.
Example
The manager submitted a requisition for new office supplies.
经理提交了新的办公室用品的要求。
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 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 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 verb /rɪˈdrɛs/

redress

纠正
Meaning
to set right, remedy, or compensate for a wrong or grievance
Example
The company promised to redress the complaints of its customers.
公司承诺纠正客户的投诉。
C1 noun /rɪˈpʌlʃən/

Repulsion

排斥
Meaning
a feeling of intense distaste or disgust; a force under the influence of which objects tend to move away from each other
Example
She felt a strong repulsion towards the idea of eating insects.
她对吃昆虫这个想法感到强烈的排斥。
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 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 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 /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 verb /ˈræʃənaɪz/

rationlize

合理化
Meaning
to justify or explain something with logical reasons, even if not appropriate or true
Example
He tried to rationlize his mistake by blaming the system.
他试图通过指责系统来合理化他的错误。
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 /rɪˈnɛɡ/

renege

违约
Meaning
to go back on a promise, agreement, or commitment
Example
The company reneged on its promise to increase wages.
公司违背了他们提高工资的承诺。
C1 adjective /rɪˈtæl.i.ə.tɔːr.i/

retaliatory

报复性
Meaning
Taking action in response to another's action, characterized as punitive, revengeful, or counteractive.
Example
The country imposed retaliatory tariffs in response to trade sanctions.
该国对贸易制裁实施了报复性关税。
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 /rɪˈdʒɔɪsɪŋ/

rejoicing

欢庆
Meaning
The action of showing great joy or happiness
Example
There was much rejoicing after the victory.
胜利之后有很多欢庆。
C1 verb /ˈrʌm.ɪdʒ/

rummage

杂乱地翻找
Meaning
to search through something in a disorderly way
Example
He rummaged through the drawer for his keys.
他在抽屉里翻找钥匙。
C1 adjective /riˈækʃəˌneri/

reactionary

反动的
Meaning
Opposing political or social progress or reform; extremely conservative.
Example
The group took a reactionary stance against the new policies.
该小组采取了反动的立场，反对新政策。
C1 adjective /rɪˈper.ə.bəl/

Repairable

可修复的
Meaning
able to be fixed or mended; capable of being repaired
Example
The broken phone is repairable with the right parts.
坏掉的手机可以用正确的部件修复。
C1 noun /rɪˌtæl.iˈeɪ.ʃən/

Retaliation

报复
Meaning
the action of returning a military attack; counterattack; revenge for an injury or wrong
Example
The country threatened retaliation against any act of aggression.
该国威胁对任何侵略行为进行报复。
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 adjective /ˈræb.ɪd/

rabid

狂热的
Meaning
Having extreme or fanatical support for something; relating to or suffering from rabies.
Example
He was a rabid fan of the football team.
他是足球队的狂热粉丝。
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 adjective /ˈriːɡəl/

regal

皇家
Meaning
Resembling or fit for a king; majestic or royal.
Example
The queen entered the hall with a regal presence.
女王带着皇家气质走进大厅。
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 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.
肥皂残留物影响设备的效率。
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 noun /ˈrɛz.ə.nəns/

resonance

共鸣
Meaning
A deep, reverberating sound or a quality of evoking response.
Example
His speech had a deep resonance with the audience.
他的演讲在观众中产生了深刻的共鸣。
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 /roʊt/

rote

死记硬背
Meaning
mechanical or habitual repetition, often without understanding
Example
He learned the poem by rote without understanding its meaning.
他通过死记硬背学会了这首诗，但没有理解其含义。
C1 noun /rɪˈpɑːzɪtɔːri/

repository

仓库
Meaning
a place where things are stored or kept for safekeeping
Example
The library serves as a repository of knowledge.
图书馆作为知识的仓库。
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 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 adjective /rɪˈpʌɡ.nənt/

Repugnant

令人反感的; 令人厌恶的; 令人不快的
Meaning
extremely distasteful; unacceptable; causing disgust or strong dislike
Example
The idea of lying to his parents was repugnant to him.
对父母撒谎的想法让他感到反感。
C1 noun /ˈrɛspɪt/

respite

喘息
Meaning
A short period of rest or relief from something difficult or unpleasant.
Example
The weekend provided a welcome respite from work.
周末提供了工作上的一个受欢迎的休息。
C1 verb /rɪˈpiːl/

repeal

Meaning
To officially cancel or revoke a law or decision.
Example
The government decided to repeal the outdated law.
C1 verb /ˈrætɪfaɪ/

ratify

批准
Meaning
to approve or confirm something officially, usually by law or formal consent
Example
The government ratified the trade agreement.
政府批准了贸易协议。
C1 noun ˈrəʊvə

rover

探测车
Meaning
A vehicle for driving over rough terrain, especially one driven by remote control over extraterrestrial terrain.
Example
The rover landed on Mars to begin its exploration.
探测车在火星上着陆，开始了它的探索任务。
C1 adjective /ˈraʊ.di/

Rowdy

吵闹的; 无序的; 破坏性的
Meaning
disorderly; unruly; noisy and disruptive
Example
The rowdy children were making too much noise.
吵闹的孩子们制造了太多噪音。
C1 verb /rɪˈtɑːrd/

retard

延迟 / 放慢
Meaning
to delay or slow down the progress of something
Example
Lack of funds may retard the development of the project.
资金不足可能会延缓项目的发展。
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 noun /ˈrɛl.ɪk/

relic

遗物
Meaning
an object surviving from an earlier time, often of historical or religious interest
Example
The museum displayed relics from the ancient civilization.
博物馆展示了来自古代文明的遗物。
C1 verb /ˈrʌf.l̩/

ruffle

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

rebuttal

反驳
Meaning
a statement or argument made to oppose or disprove another
Example
Her rebuttal was clear and convincing.
她的反驳清晰而有说服力。
C1 adjective /ˈrɛvərənt/

reverent

虔诚的
Meaning
Showing deep and solemn respect.
Example
They listened to the speech in a reverent silence.
他们在虔诚的沉默中听取了演讲。
C1 noun /rɪˈzʌmp.ʃən/

Resumption

恢复
Meaning
the action of beginning something again after a pause or interruption
Example
The resumption of classes will be announced next week.
下周将宣布课程的恢复。
C1 adjective /ˈrɛzənənt/

resonant

共鸣的
Meaning
Deep, clear, and continuing to sound or echo.
Example
The resonant voice of the speaker filled the hall.
演讲者那共鸣的声音充满了大厅。
C1 verb /rɪˈvɪər/

revere

敬仰
Meaning
To deeply respect or admire someone or something.
Example
The students revered their teacher for his wisdom.
学生们因他的智慧而敬重老师。
C1 noun /ˈreɪ.vən/

Raven

乌鸦
Meaning
a large, black bird with a thick bill and harsh croaking voice
Example
The raven perched on the old oak tree and cawed loudly.
那只乌鸦停在老橡树上大声地叫。
C1 noun rɪˌkuːpərˈeɪʃən

recuperation

恢复
Meaning
The process of gradually recovering from illness or fatigue
Example
Rest is essential for recuperation after illness.
休息对疾病后的恢复至关重要。
C1 noun /ˌrɛtrɪˈbjuːʃən/

retribution

报应，惩罚
Meaning
punishment inflicted as vengeance for a wrong or crime
Example
The villagers demanded retribution for the crime committed.
村民要求对犯下的罪行进行报应。
C1 verb /rɪˈsiːd/

recede

退去
Meaning
To move back or further away from a previous position.
Example
The floodwaters began to recede after the heavy rain stopped.
暴雨停止后，洪水开始退去。
C1 noun /ˌrek.ənˌsɪl.iˈeɪ.ʃən/

reconciliation

和解
Meaning
The restoration of friendly relations; the action of making one view or belief compatible with another.
Example
The peace treaty was a major step toward reconciliation.
和平条约是迈向和解的重要一步。
C1 noun /ruːz/

Ruse

诡计; 计谋
Meaning
an action intended to deceive someone; a trick or stratagem
Example
The thief used a clever ruse to distract the guard.
小偷使用了一种巧妙的诡计来分散警卫的注意力。
C1 verb /ˈræn.də.maɪz/

randomize

随机化
Meaning
To make something happen in a random order or manner.
Example
The software can randomize the order of questions.
软件可以随机排列问题的顺序。
C1 verb /rɪˈnaʊns/

renounce

放弃
Meaning
to formally declare rejection of something, such as a claim, belief, or way of life
Example
She renounced her citizenship to move abroad permanently.
她放弃了国籍以便永久定居国外。
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.
医生通过轻轻敲打她的膝盖来测试她的反射反应。
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 /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 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 adjective /ˈrɪkɪti/

rickety

摇摇欲坠
Meaning
Poorly made and likely to collapse; shaky.
Example
They crossed a rickety wooden bridge over the river.
他们过了一座摇摇欲坠的木桥。
C1 noun, verb /raʊt/

rout

失败
Meaning
A decisive defeat; to defeat completely.
Example
The army routed the enemy forces in the battle.
军队在战斗中彻底击败了敌军。
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 /ˌriː.pəˈkʌʃ.ən/

repercussion

后果
Meaning
An unintended consequence occurring some time after an event or action.
Example
The economic crisis had severe repercussions on global trade.
经济危机对全球贸易产生了严重的后果。
C1 noun/verb /ˈrɛprɪˌmænd/

reprimand

Meaning
A formal expression of disapproval; to scold or criticize someone officially.
Example
The teacher reprimanded the student for being late.
C1 adjective /rɪˈkʌr.ənt/

Recurrent

反复的
Meaning
happening repeatedly; occurring again and again; periodic;
Example
She has been suffering from recurrent headaches for months.
她已经有几个月反复头痛了。
C1 adjective /rɪˈsɪ.prə.kəl/

Reciprocal

互惠的; 相互的; 两方共同分享;
Meaning
given or done in return; mutual; shared equally by both parties;
Example
The two countries have a reciprocal trade agreement.
这两个国家有一个互惠的贸易协议。
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 /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 adjective /ˈreɪ.si/

racy

刺激的
Meaning
Lively, entertaining, or slightly shocking (especially in a sexual way).
Example
The novel was full of racy dialogues.
这部小说充满了刺激的对话。
C1 verb /riˈɪtəreɪt/

reiterate

重申
Meaning
To say something again or repeatedly for emphasis or clarity.
Example
The teacher reiterated the importance of honesty.
老师重申了诚实的重要性。
C1 adjective /ˈrɛtɪsənt/

reticent

沉默寡言
Meaning
not revealing one's thoughts or feelings readily; reserved
Example
She was reticent about her personal life.
她对自己的个人生活保持沉默。
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 /rəʊˈbɒt.ɪk ˈsɜː.dʒər.i/

robotic surgery

机器人手术
Meaning
Surgery performed with the assistance of robotic systems to enhance precision and reduce invasiveness.
Example
Robotic surgery enhances precision in complex procedures.
机器人手术提高了复杂程序的精确度。
C1 noun /rɪˈfɜːrər/

referrer

推荐人
Meaning
a person who directs someone to another person or service
Example
The referrer earned a bonus for recommending a new client.
推荐人因推荐新客户而获得了奖金。
C1 verb /ˌriː.ɪˈstæblɪʃ/

reestablish

重新建立
Meaning
to set up or restore something again after it has been disrupted
Example
The government worked hard to reestablish peace in the region.
政府努力在该地区重新建立和平。
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 noun /ˈrɒndɪvuː/

rendezvous

约会
Meaning
a meeting or appointment at an agreed time and place
Example
They arranged a secret rendezvous at the café.
他们在咖啡馆安排了一次秘密的会面。
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 verb /rɪˈtrækt/

retract

Meaning
to withdraw a statement, promise, or part of the body; to pull back
Example
The company retracted its earlier statement after realizing the error.
C1 noun /raɪt/

rite

仪式
Meaning
a religious or ceremonial act
Example
The wedding rite was performed with great solemnity.
婚礼仪式庄严举行。
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 verb/noun /ˈrɛlɪʃ/

relish

享受 / 调味料
Meaning
to greatly enjoy; also a condiment or sauce
Example
She relished the opportunity to travel abroad.
她很高兴有机会出国旅行。
C1 noun /ˈrɪpəl/

Ripple

涟漪
Meaning
a small wave on the surface of water; a spreading effect or influence
Example
The stone created ripples across the calm pond.
石头在平静的池塘中激起了涟漪。
C1 noun /ˈrʌbəl/

rubble

瓦砾
Meaning
Broken stone, bricks, or debris from a collapsed building or structure.
Example
The rescue team searched through the rubble after the earthquake.
地震后，救援队在瓦砾中寻找。
C1 noun /rɪˌdʒuːvəˈneɪʃən/

rejuvenation

焕新
Meaning
The process of restoring something to a former better state, especially referring to renewing soil fertility or revitalizing agricultural land through various restoration practices.
Example
Rejuvenation of soil is necessary for sustainable agriculture.
土壤的焕新对于可持续农业至关重要。
C1 noun/verb /rɪˈlæps/

relapse

复发
Meaning
to return to a worse condition, especially after improvement; a deterioration after recovery
Example
After months of progress, he suffered a relapse.
经过几个月的进展后，他遭遇了复发。
C1 noun ˌrev.əˈluː.ʃən.ər.i ɪˈnɪʃ.ə.tɪv

revolutionary initiative

革命性倡议
Meaning
A groundbreaking action or plan that brings about significant change or transformation.
Example
The revolutionary initiative promotes sustainable energy.
革命性倡议促进可持续能源。
C1 noun /ˌrev.əˈluː.ʃən.ər.i ˈbreɪk.θruː/

revolutionary breakthrough

革命性的突破
Meaning
A sudden, dramatic, and important discovery or development that changes everything.
Example
Robotic surgery is a revolutionary breakthrough in healthcare.
机器人手术是医疗领域的革命性突破。
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 noun /rɪˈvɒl.vər/

Revolver

左轮手枪
Meaning
a pistol with revolving chambers enabling several shots to be fired without reloading
Example
The detective drew his revolver from its holster.
侦探从枪套中拔出了他的左轮手枪。
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 /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 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 ˈrɔɪəl ˈbɛŋɡəl ˈtaɪɡər

Royal Bengal Tiger

皇家孟加拉虎
Meaning
A subspecies of tiger found primarily in India and Bangladesh, known for its distinctive orange coat with black stripes.
Example
The Royal Bengal Tiger is an iconic species of the Sundarbans.
皇家孟加拉虎是孙德班的标志性物种。
C1 adjective /ˈrænsɪd/

rancid

变质的
Meaning
having a bad taste or smell due to being old or spoiled (especially fats or oils)
Example
The butter had gone rancid after being left out too long.
黄油放得太久，变质了。
C1 adjective /rɪˈsɔːrs ɪˈfɪʃ.ənt/

resource-efficient

资源高效
Meaning
Using resources in a way that minimizes waste and maximizes productivity.
Example
Resource-efficient farming conserves water and energy.
资源高效的农业节约水和能源。
C1 verb /ˌrɛzəˈrɛkt/

resurrect

复活
Meaning
To bring back to life or revive something from the past.
Example
The director decided to resurrect the old play for a new audience.
导演决定让旧剧本为新的观众复活。