rhetoric
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C1 noun /ˈrɛt.ər.ɪk/

rhetoric

有效或有说服力的演讲或写作的艺术
Meaning
The art of effective or persuasive speaking or writing; skillful use of language to influence others.
Example
Political leaders often use rhetoric to influence people.
政治领导人经常使用修辞来影响人们。
C1 noun rɪˈfaɪnmənt

refinement

精炼
Meaning
The process of removing impurities or unwanted elements from a substance.
Example
His manners showed a refinement that made him stand out in any crowd.
他的举止展示了一种精炼，让他在人群中脱颖而出。
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 /ˈræmpɑːrt/

rampart

城墙
Meaning
a defensive wall of a castle or fort
Example
The soldiers stood on the rampart, watching the enemy approach.
士兵们站在城墙上，观察着敌人的接近。
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 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 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 verb /ˈrɛzəneɪt/

resonate

共鸣
Meaning
To produce or be filled with a deep, full, and reverberating sound; to evoke a feeling or memory.
Example
Her words resonated with the audience.
她的话在听众中产生了共鸣。
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 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 verb /ˌriːˈsiːt/

reseat

重新安排
Meaning
to seat someone again or to fit something back into its place
Example
The usher had to reseat the guests after the interruption.
引座员在干扰后不得不重新安排宾客。
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 /ˌrɛfəˈrɛndəm/

referendum

公投
Meaning
a general vote by the population on a single political issue
Example
The government held a referendum on the new constitution.
政府就新宪法举行了公投。
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 noun /rɔ ˈtɜrmərɪk/

Raw Turmeric

生姜黄
Meaning
fresh unprocessed root of the turmeric plant used as a spice and medicine
Example
Grate raw turmeric into the curry for authentic flavor.
将生姜黄磨成粉加入咖喱中，以增加正宗的味道。
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 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 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 adjective /rɪˈdʌn.dənt/

redundant

多余的
Meaning
Not or no longer needed or useful; superfluous.
Example
The report contained redundant information.
报告包含了多余的信息。
C1 adjective /rɪˈzɪstɪv/

resistive

电阻性
Meaning
tending to resist or oppose; in physics, relating to electrical resistance
Example
The material has resistive properties that slow down current flow.
该材料具有电阻特性，能够减慢电流流动。
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 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 /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 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 verb /rɪˈtælieɪt/

retaliate

报复
Meaning
to make an attack in return for a similar attack
Example
The army retaliated after the enemy attack.
军队在敌人的攻击后进行了报复。
C1 noun /rɪdʒ/

ridge

山脊或山顶
Meaning
a long, narrow hilltop, mountain range, or raised strip
Example
We walked along the mountain ridge.
我们沿着山脊走。
C1 verb /ræsp/

rasp

Meaning
to speak in a rough, harsh voice or to scrape with a coarse sound
Example
He rasped out a warning before collapsing.
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 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 /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 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 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 /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 /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 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 /rɪˈspɒnsɪvnəs/

responsiveness

反应能力
Meaning
The quality of reacting quickly and positively
Example
The manager appreciated her responsiveness to customer feedback.
经理欣赏她对客户反馈的反应能力。
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 /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 adjective /ˈreɪ.kɪʃ/

Rakish

俏皮
Meaning
having a dashing, jaunty, or slightly disreputable quality or appearance
Example
He wore his hat at a rakish angle that gave him a charming appearance.
他戴着一顶俏皮的帽子，给人一种迷人的感觉。
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 noun /rɪˈkluːs/

recluse

隐士
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.
那位老人住在山中，过着隐士般的生活。
C1 adjective rɪˈsɛʃ.ən.er.i

recessionary

衰退的
Meaning
Relating to or characterized by economic recession.
Example
Governments introduce policies to counter recessionary effects.
政府推出政策来应对衰退效应。
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 verb /rɪˈmɪt/

remit

汇款 / 免除
Meaning
To send money in payment or as a gift; to cancel or refrain from exacting a debt or punishment.
Example
He promised to remit the payment by the end of the week.
他承诺在本周末之前汇款。
C1 noun /ˌriːhəˌbɪlɪˈteɪʃən/

rehabilitation

幸福
Meaning
the process of restoring someone or something to health or normal life through training or therapy
Example
After the accident, he went through months of rehabilitation to walk again.
她无法掩饰自己获得奖项时的喜悦。
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 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 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 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 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 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 /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 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 verb /ˌriːɪnˈsteɪt/

reinstate

恢复
Meaning
To restore someone or something to their former position or condition.
Example
The company decided to reinstate the suspended employee.
公司决定恢复被停职的员工。
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 /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 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 adjective /rɪˈtɔːrɪkəl/

rhetorical

修辞的
Meaning
relating to the art of effective or persuasive speaking or writing; often a question asked to make a point rather than get an answer
Example
He asked a rhetorical question during the debate.
他在辩论中提出了一个修辞性问题。
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 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 /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 /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 /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 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 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 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/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 /ˈruː.mɪ.neɪt/

ruminate

深思, 反刍
Meaning
to think deeply about something; to chew cud (for animals)
Example
She sat alone to ruminate on her decision.
她坐在一起，深思自己的决定。
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 noun /rɪˈvɜːrʒən/

reversion

逆转
Meaning
the act of returning to a previous state or condition
Example
The new policy marked a reversion to traditional methods.
新政策标志着回归传统方法。
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 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 noun /ˈreɪ.biːz/

rabies

狂犬病
Meaning
A viral disease that causes inflammation of the brain in humans and other mammals, usually transmitted through animal bites.
Example
The dog was vaccinated against rabies.
狗已接种狂犬病疫苗。
C1 adjective /ˌret.rəˈspek.tɪv/

Retrospective

回顾的
Meaning
looking back on or dealing with past events or situations
Example
The museum held a retrospective exhibition of the artist's work.
博物馆举办了这位艺术家的回顾展。
C1 noun ˈredʒ.ɪ.strɑːr

registrar

注册员
Meaning
An official responsible for keeping records or registers.
Example
The registrar oversees all administrative tasks.
注册员负责所有行政任务的监督。
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 /rɪˈtriː.vəl/

retrieval

检索
Meaning
The process of getting something back, especially from storage or memory.
Example
The brain's retrieval system helps recall past experiences.
大脑的检索系统帮助回忆过去的经历。
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, 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 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 /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 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 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 adjective /ˈraɪtfəl/

rightful

合法的
Meaning
having a legitimate or just claim; proper or lawful
Example
She is the rightful owner of the property.
她是该财产的合法所有者。
C1 verb /rɪˈsʌsɪteɪt/

resuscitate

Meaning
to revive someone from unconsciousness or apparent death
Example
The doctors tried to resuscitate the patient after the heart attack.
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 /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 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 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 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 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 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 /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 /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 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 verb /ˌriːˈmɒdəl/

remodel

重新装修
Meaning
To change the structure or form of something, especially a building.
Example
They decided to remodel their kitchen last summer.
他们决定去年夏天重新装修厨房。
C1 verb /rɪˈɡrɛs/

regress

Meaning
To return to a former or less developed state.
Example
Without proper guidance, the child's progress began to regress.
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 /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 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 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 /rɪˈkaʊnt/

recount

叙述
Meaning
to narrate or tell the details of an event or experience
Example
She recounted her adventures during the summer trip.
她讲述了她在夏季旅行中的冒险。
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 adjective /ˈrævənəs/

ravenous

饥饿
Meaning
Extremely hungry; famished.
Example
After the long hike, she was ravenous and ate quickly.
长时间的徒步旅行后，她饿极了，吃得很快。
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 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 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 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 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 adjective /ræmˈbʌŋk.ʃəs/

rambunctious

喧闹的
Meaning
boisterous, energetic, and difficult to control.
Example
The rambunctious children filled the house with noise.
那些喧闹的孩子让屋子充满了噪音。
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 adjective /rɪˈstreɪnd/

restrained

克制的
Meaning
characterized by reserve or self-control; held back
Example
Her restrained reaction surprised everyone.
她克制的反应让所有人都感到惊讶。
C1 adjective /ˈraɪ.tʃəs/

Righteous

正义的; 公正的; 有道德的
Meaning
morally right or justifiable; virtuous; having strong moral principles
Example
She felt righteous anger at the unfair treatment of workers.
她对工人们的不公正待遇感到正义的愤怒。
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 noun ˌriːˌvaɪ.təl.aɪˈzeɪ.ʃən

revitalization

复兴
Meaning
The action of giving new life and vitality to something.
Example
Proper rest and nutrition lead to revitalization of the body.
适当的休息和营养有助于身体的复兴。
C1 verb /rɪˈkuːpəreɪt/

recuperate

恢复
Meaning
to recover from illness or regain strength
Example
She went to the countryside to recuperate after surgery.
她去乡下恢复健康，手术后。
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 /rɪˈbʌf/

rebuff

拒绝
Meaning
to reject or refuse in a sharp or abrupt way
Example
She rebuffed his invitation to dinner.
她拒绝了他的晚餐邀请。
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 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。