revolutionize
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C1 verb /ˌrevəˈluːʃənaɪz/

revolutionize

革命化
Meaning
Change (something) radically or fundamentally.
Example
Artificial intelligence is set to revolutionize the healthcare sector.
人工智能准备革命化医疗行业。
B2 verb /riːˈɔːrɡənaɪz/

reorganize

重新组织
Meaning
to arrange something again in a different way for greater efficiency or order
Example
The manager decided to reorganize the team structure.
经理决定重新组织团队结构。
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 /rɪˈdʒɛn.ə.rə.tɪv/

regenerative

再生的
Meaning
Able to restore or renew damaged environments, soil, or resources.
Example
Regenerative farming improves soil health and biodiversity.
再生农业改善了土壤健康和生物多样性。
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 /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 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。
B2 noun /rɪˈvendʒ/

Revenge

复仇
Meaning
the action of inflicting hurt or harm on someone for an injury or wrong suffered at their hands
Example
She sought revenge against those who betrayed her trust.
她寻求复仇，针对那些背叛她信任的人。
C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

红色夹竹桃
Meaning
a poisonous flowering shrub with bright red or pink flowers
Example
The red oleander blooms throughout the summer months.
红色夹竹桃在夏季的几个月中盛开。
B2 adverb /ˈraɪtli/

Rightly

正确地; 适当地; 公正地
Meaning
correctly; properly; justly
Example
She rightly pointed out the mistakes in the report.
她正确地指出了报告中的错误。
B1 noun /ˈrɛzɪdəns/

residence

住所
Meaning
a place where someone lives; a home or dwelling
Example
He recently moved to a new residence near the city center.
他最近搬到了市中心附近的一处新住所。
A2 verb riˈsaɪklɪŋ

recycling

回收
Meaning
The process of converting waste materials into new materials and objects to prevent waste.
Example
Recycling plastic helps in reducing waste.
回收塑料有助于减少废物。
B1 adjective, noun /ˈroʊmən/

roman

罗马的 / 古罗马公民
Meaning
relating to Rome or its people; a citizen of ancient Rome
Example
The Roman Empire influenced much of modern civilization.
罗马帝国影响了现代文明的许多方面。
B2 noun /ˌrɛfəˈriː/

referee

裁判
Meaning
a person who oversees a game or match to ensure the rules are followed
Example
The referee stopped the game after a foul.
裁判在犯规后暂停了比赛。
C2 noun /ˈrɛkjʊzənt/

recusant

拒抗者
Meaning
a person who refuses to submit to authority or comply with rules
Example
The recusant opposed the new law.
拒抗者反对了新法律。
B1 adjective ˈriː.dʒən.əl

regional

区域的
Meaning
Relating to or characteristic of a region.
Example
Regional hubs support localized industries.
区域中心支持本地行业。
B2 noun /ˌriː.əˈʃʊr.əns/

Reassurance

安慰
Meaning
comfort or confidence given to someone to remove their fears or doubts
Example
She needed reassurance that everything would be okay.
她需要得到安慰，以确认一切都会好起来。
C2 noun /rɪˈsɪʒən/

rescission

取消
Meaning
the cancellation or annulment of a law, contract, or agreement
Example
The rescission of the contract left both parties disappointed.
合同的取消让双方都感到失望。
C2 adjective /ˈræŋ.kər.əs/

rancorous

充满怨恨的
Meaning
Characterized by bitterness or resentment.
Example
Their rancorous debate lasted for hours.
他们充满怨恨的辩论持续了几个小时。
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 verb /riˈdʒɔɪn/

rejoin

重新加入
Meaning
to join again or return to a group, place, or activity
Example
After a short break, she decided to rejoin the team.
短暂休息后，她决定重新加入团队。
A2 noun /ˈriːdɪŋ/

reading

阅读
Meaning
the action or skill of reading
Example
Reading is one of my favorite hobbies.
阅读是我最喜欢的爱好之一。
C1 noun /ˈrɛtɪsəns/

reticence

沉默
Meaning
the quality of being reserved or unwilling to speak freely
Example
His reticence made it difficult to know what he was thinking.
他的沉默让人很难知道他在想什么。
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。
B1 noun /ˈriː.dʒən/

Region

地区; 区域; 地带
Meaning
a particular area or part of a country or the world
Example
This region is famous for its wine production.
这个地区因其葡萄酒生产而闻名。
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。
B2 adjective /ˈrɑː.ki/

Rocky

崎岖的; 不稳定的; 困难的
Meaning
full of rocks; unsteady; difficult
Example
The rocky path made hiking difficult for the tourists.
崎岖的小路让游客们的远足变得困难。
B1 adjective /rɪˈleɪ.tɪd/

Related

相关的; 有联系的
Meaning
connected; associated; having a connection or relationship
Example
These two problems are closely related to each other.
这两个问题彼此紧密相关。
A2 verb /raɪz/

rise

上升
Meaning
to move upward; to get up from bed; to increase
Example
The sun rises in the east.
太阳从东方升起。
C1 adverb /rɪˈspek.tə.bli/

Respectably

以尊敬的方式; 体面地;
Meaning
in a way that is worthy of respect; decently; properly
Example
She was dressed respectably for the interview.
她为面试穿得体面。
B2 noun /rɒd/

rod

细长的棒子，尤其是金属或木制的
Meaning
a thin straight bar, especially of metal or wood
Example
He used an iron rod to support the structure.
他用铁棒支撑结构。
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。
C2 adjective /rɪˈtɪkjʊlət/

reticulate

网状
Meaning
Having a net-like pattern or structure.
Example
The leaf had a reticulate pattern of veins.
叶子有着网状的脉络图案。
C2 noun /ˌrɛv.əˈkeɪ.ʃən/

revocation

撤销
Meaning
The act of officially canceling or withdrawing something.
Example
The court ordered the revocation of his license.
法院命令撤销他的许可证。
B2 verb /rɪˈfreɪn/

refrain

避免
Meaning
To hold oneself back from doing something.
Example
Please refrain from smoking in this area.
请勿在此区域内吸烟。
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 /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 /ˈrez.ɪ.dənt ˈkəʊ.ɔː.dɪ.neɪ.tər/

resident coordinator

驻地协调员
Meaning
A local administrator or official who coordinates activities in a specific region.
Example
The resident coordinator welcomed all representatives.
驻地协调员欢迎所有代表。
B2 noun /ˌrek.riˈeɪ.ʃən/

Recreation

娱乐活动; 使某物再次存在的过程
Meaning
an activity that is done for enjoyment; the process of making something exist again
Example
The park provides recreation facilities for children and adults.
公园为儿童和成人提供娱乐设施。
C1 verb /rɪɡ/

rig

操控
Meaning
to manipulate or control something dishonestly; to set up equipment
Example
The election was rigged by corrupt officials.
选举被腐败官员操控了。
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。
B1 noun /rɪˈliːf/

Relief

宽慰; 安慰; 援助
Meaning
a feeling of comfort after worry or distress; assistance given to those in need
Example
She felt great relief when the exam was over.
她在考试结束时感到极大的宽慰。
C2 verb /rɪˈkwaɪt/

requite

回报
Meaning
to return or repay a favor, service, or feeling
Example
She requited his kindness with a thoughtful gift.
她用一份深思熟虑的礼物回报了他的善意。
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 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。
A2 noun /ruːlz/

rules

规则
Meaning
explicit principles or regulations governing conduct or procedure within a particular area of activity
Example
The teacher reminded the students to follow the classroom rules.
老师提醒学生遵守课堂规则。
B1 adjective /rɪˈkwaɪəd/

required

必要的
Meaning
necessary or compulsory
Example
A visa is required to enter the country.
进入该国需要签证。
C2 adjective /rɪˈdaʊ.tə.bəl/

redoubtable

可怕/值得尊敬
Meaning
formidable, especially as an opponent; inspiring fear or respect
Example
She was a redoubtable leader who commanded respect from all.
她是一个可怕的领导，赢得了所有人的尊重。
B2 noun /rɪˈvaɪ.vəl/

Revival

复兴
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.
传统手工艺的兴趣得到了复兴。
B2 noun /ˈrɪə.lɪ.zəm/

realism

现实主义
Meaning
The quality of representing things as they are; a practical or factual view.
Example
Her paintings are admired for their realism.
她的画作因其现实主义而受到赞赏。
B1 noun /rɪˈspɒns/

Response

回应; 反应
Meaning
a reaction to something; an answer or reply; the way in which something reacts to external stimulus
Example
The government's response to the crisis was swift and decisive.
政府对危机的回应迅速而果断。
B1 adverb /ˈruːdli/

Rudely

无礼地
Meaning
in an impolite or discourteous manner
Example
He rudely interrupted the speaker during the presentation.
他在演讲期间无礼地打断了发言者。
B1 adjective /roʊˈmæn.tɪk/

Romantic

浪漫的
Meaning
relating to love; idealistic; dreamy
Example
They enjoyed a romantic dinner by candlelight.
他们在烛光下享受浪漫的晚餐。
A2 noun /rɒk/

rock

岩石
Meaning
a large, solid piece of mineral matter
Example
The mountain was made of solid rock.
这座山是由坚固的岩石组成的。
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。
B1 noun /roʊp/

rope

绳子
Meaning
a strong, thick cord made of twisted fibers or strands
Example
The climbers used a rope to scale the mountain.
登山者用绳子攀登山峰。
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。
C2 verb /rɪˈdaʊnd/

redound

贡献
Meaning
to contribute greatly to a result or consequence, usually beneficial
Example
His hard work will redound to the success of the company.
他的努力工作将对公司成功作出贡献。
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 /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。
B2 adverb /ˈred.ɪ.li/

Readily

乐意地; 容易地; 毫不犹豫
Meaning
willingly; easily; without hesitation
Example
She readily agreed to help with the project.
她乐意地同意帮助项目。
C2 noun /rɪˈfræk.tər/

refractor

折射望远镜
Meaning
A type of telescope that uses lenses to focus light.
Example
Refractor telescopes use lenses to focus light.
折射望远镜使用透镜聚焦光线。
C2 adjective /ˈrɛd.ələnt/

redolent

Meaning
having a strong pleasant smell; strongly reminiscent or suggestive of something
Example
The kitchen was redolent of spices and fresh herbs.
C1 noun /ˈrʌp.tʃər/

Rupture

破裂; 关系的断裂
Meaning
breaking or bursting apart; breakdown of relations
Example
The rupture in the pipeline caused a massive oil spill.
管道中的断裂造成了大规模的石油泄漏。
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 /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。
A2 adverb /ˈriː.sənt.li/

Recently

最近
Meaning
in the recent past; not long ago
Example
I recently moved to a new apartment.
我最近搬到了一个新公寓。
B2 noun /rʌst/

Rust

铁锈
Meaning
reddish-brown coating formed on iron or steel by oxidation; corrosion
Example
The old car was covered in rust after years of neglect.
那辆旧车在多年忽视之后被铁锈覆盖。
B1 verb /ˈrɛdʒɪstər/

register

注册
Meaning
To enter or record officially on a list or in a book.
Example
You must register for the conference before the deadline.
您必须在截止日期前为会议注册。
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。
B1 noun /ˌrep.rɪˈzen.tə.tɪv/

representative

代表
Meaning
A person chosen or appointed to act or speak for another or others.
Example
The representative addressed critical issues.
代表解决了关键问题。
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。
B1 noun /rɪˈpɔːrtər/

reporter

记者
Meaning
a person who reports news or information
Example
The reporter interviewed several people at the scene.
记者在现场采访了几个人。
C2 adjective /rɪˈfrɪndʒənt/

refringent

折射的
Meaning
Capable of refracting light or other waves.
Example
The refringent properties of the crystal bent the light into a spectrum.
晶体的折射特性将光弯曲成一个光谱。
B2 verb /rɪˈzaɪd/

reside

居住
Meaning
to live or dwell in a particular place
Example
They reside in a large house near the river.
他们住在河边的一座大房子里。
B2 verb /ˈreɡjəleɪt/

regulate

监管；调节；规范；控制
Meaning
to control or maintain according to rules or laws
Example
The government regulates food safety.
政府对食品安全进行监管。
B2 noun /ˈrɒbəɹi/

robbery

抢劫
Meaning
the crime of stealing from someone or somewhere using force or threat
Example
The police are investigating the robbery at the local store.
警方正在调查当地商店的抢劫事件。
C2 verb /rɪˈɡeɪl/

regale

娱乐
Meaning
To entertain or amuse someone with stories, food, or drink.
Example
He regaled us with stories of his travels around the world.
他用他的旅行故事来娱乐我们。
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。
B2 adverb /rɪˈspektɪvli/

Respectively

分别；按照给定的顺序；分开且按已经提到的顺序
Meaning
in the order given; separately and in the order already mentioned
Example
John and Mary are 25 and 30 years old respectively.
约翰和玛丽分别是25岁和30岁。
B2 adjective /ˈreɪʃəl/

racial

种族的
Meaning
relating to a race of people
Example
Racial equality is an important issue in many societies.
种族平等是许多社会中的一个重要问题。
B2 verb /ˈrendər/

render

提供
Meaning
to provide or give; to make or cause to become
Example
The artist renders the scene beautifully.
艺术家美丽地渲染了场景。
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。
B2 noun /rɪˈsɛs/

recess

休息
Meaning
A short break from work or school; also a small space set back in a wall.
Example
The children played outside during recess.
孩子们在休息期间在外面玩耍。
C2 noun /ˈrɛd.ə.ləns/

redolence

香气
Meaning
a pleasant smell or the quality of suggesting something strongly
Example
The redolence of jasmine filled the evening air.
茉莉花的香气充满了傍晚的空气。
C1 verb /ˌriːɪnˈtɪɡreɪt/

reintegrate

重新融入
Meaning
To bring someone or something back into a group or society after being separated.
Example
The program helps prisoners reintegrate into society.
该程序帮助囚犯重新融入社会。
B2 noun /red liːf/

Red leaf

红叶
Meaning
red-colored leafy vegetable; amaranth leaves used as greens
Example
Red leaf is rich in iron and is commonly eaten in Bengali households.
红叶富含铁，并且在孟加拉家庭中经常食用。
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。
A2 verb /rɪˈmaɪnd/

remind

提醒
Meaning
to cause someone to remember something
Example
Please remind me to call her tomorrow.
请提醒我明天打电话给她。
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。
B2 verb /rɪˈfaɪn/

refine

改进
Meaning
to improve by making small changes; to purify
Example
The chef refines the recipe to perfection.
厨师将食谱完善到完美。
A1 noun /roʊd/

road

道路
Meaning
a wide way leading from one place to another
Example
We drove along the road to the village.
我们沿着这条路开车去村庄。
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。
B2 verb /reɪn/

reign

统治
Meaning
to rule as a king or queen; to be dominant
Example
The queen reigned for over sixty years.
女王统治了超过六十年。
B1 adjective /rɪˈtaɪərd/

Retired

退休
Meaning
having left one's job and ceased to work; withdrawn from activity
Example
My retired grandfather enjoys gardening in his free time.
我的退休祖父喜欢在空闲时间种花。
C2 verb /ˈrɔɪstər/

roister

喧闹庆祝
Meaning
to revel noisily; to engage in loud, boisterous celebration
Example
The fans roistered in the streets after the victory.
球迷在街头欢庆，庆祝胜利。
B2 verb /rɪˈfreʃ/

refresh

使清新
Meaning
to make fresh again; to restore energy
Example
A cold drink refreshes me on hot days.
冷饮在炎热的日子里让我感到清爽。
A2 noun /rɪˈfrɪdʒ.ər.eɪ.tər/

Refrigerator

冰箱
Meaning
an appliance for keeping food and drinks cold
Example
Please put the milk in the refrigerator to keep it fresh.
请把牛奶放进冰箱里保持新鲜。
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。
B1 noun rɪˈsɜː.tʃəz

researchers

研究人员
Meaning
People who study and investigate to discover new information or facts.
Example
Researchers are working on innovative solutions.
研究人员正在研究创新解决方案。
C1 verb /reɪz/

raze

拆除
Meaning
To completely destroy or demolish something, especially a building.
Example
The old factory was razed to make way for new apartments.
旧工厂被拆除，为新公寓让路。
C1 verb /rɪˈklaɪn/

recline

靠着
Meaning
To lean or lie back in a relaxed position.
Example
She reclined on the sofa with a book.
她靠在沙发上看书。
B1 noun /ˈrɪðəm/

rhythm

节奏
Meaning
a strong, regular, repeated pattern of movement or sound
Example
The rhythm of the music made everyone want to dance.
音乐的节奏让每个人都想跳舞。
B2 verb /reɪp/

rape

强奸
Meaning
to force someone to have sexual intercourse without their consent
Example
The law strictly punishes those who commit rape.
法律严惩那些犯强奸罪的人。
C1 noun /ˌrætɪfɪˈkeɪʃən/

Ratification

批准
Meaning
the action of signing or giving formal consent to a treaty, contract, or agreement
Example
The treaty required ratification by both countries' parliaments.
该条约要求两国议会的批准。
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 /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。
C2 adjective /ˈrʌdi/

ruddy

红润
Meaning
Having a healthy red color in the face.
Example
She had a ruddy complexion from working outdoors.
她因为在户外工作，脸上有红润的肤色。
C2 verb /ruː/

rue

后悔
Meaning
To feel regret or sorrow about something.
Example
She will rue the day she trusted him.
她将会后悔她信任他那一天。
B1 noun /ˌrek.ə.menˈdeɪ.ʃən/

Recommendation

推荐
Meaning
a suggestion that someone or something would be good or suitable for a particular job or purpose
Example
I got this job based on a recommendation from my professor.
我通过教授的推荐得到了这份工作。
C1 noun /ˈrɛnɪˌɡeɪd/

renegade

叛徒
Meaning
a person who deserts or betrays an organization, country, or principles
Example
He was labeled a renegade after leaving the party and criticizing its policies.
他在离开党派并批评其政策后被贴上了叛徒的标签。
B2 noun /ˌriː.ɪnˈfɔːrs.mənt/

reinforcement

强化
Meaning
Strengthening or supporting something, especially behavior or learning.
Example
Positive reinforcement helps in learning.
积极的强化有助于学习。
B2 noun /ˈrɛzərvwɑːr/

reservoir

水库
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.
这座城市建造了一个新的水库，以确保为居民提供足够的饮用水。
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。
B2 noun /rɪˈfjuː.zəl/

Refusal

拒绝; 拒绝接受
Meaning
the act of saying no to something or not accepting something
Example
His refusal to cooperate made the project more difficult.
他拒绝合作让项目变得更难。
C1 adjective /riˈæk.tɪv/

Reactive

反应性; 化学活性
Meaning
responding to situations rather than initiating them; chemically active
Example
The company took a reactive approach to customer complaints.
公司对客户投诉采取了反应性的方法。
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。
B2 noun /rɪˈstreɪnt/

Restraint

克制; 自我控制
Meaning
the action of keeping someone or something under control; self-control
Example
She showed great restraint in not responding to the criticism.
她在不回应批评时表现出极大的克制。
C2 adjective /ˈroʊziət/

roseate

玫瑰色的，乐观的
Meaning
Having a pink color; optimistic or idealistic.
Example
She looked at the future with roseate optimism.
她以玫瑰色的乐观主义看待未来。
C2 adjective /ˈreɪ.moʊs/

ramose

分枝的
Meaning
having many branches.
Example
The ramose tree shaded the entire garden.
这棵分枝的树为整个花园提供了阴凉。
C1 noun/verb /rɪˈpriːv/

reprieve

Meaning
A temporary relief or delay from something unpleasant; to postpone or cancel punishment.
Example
The prisoner was granted a last-minute reprieve from execution.