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A2 noun /roʊl/

role

角色
Meaning
a part or function of something
Example
Her role in the project was crucial.
她在项目中的角色至关重要。
B2 noun /ˈraɪvəl/

Rival

竞争对手; 对手;
Meaning
a person or thing competing with another for the same objective or for superiority in the same field
Example
The two companies have been business rivals for decades.
这两家公司已经是商业竞争对手几十年了。
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 /ˌriː.dɪs.trɪˈbjuː.ʃən/

redistribution

重分配
Meaning
The sharing of wealth or resources more equally among society.
Example
The government introduced a redistribution policy to reduce inequality.
政府出台了重分配政策，以减少不平等。
B2 verb /ˈræm.bəl/

ramble

Meaning
to talk or write at length in a confused or inconsequential way; to walk for pleasure without a fixed route.
Example
He rambled on about his childhood for hours.
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。
C2 noun /ˈreɪdɪks/

radix

基数
Meaning
the base or root of something; the number on which a system of numeration is built
Example
In mathematics, the decimal system has a radix of ten.
在数学中，十进制系统的基数是十。
B1 noun /ˈreɪn.dɪər/

Reindeer

驯鹿
Meaning
a large deer with branched horns that lives in cold northern areas
Example
Santa's reindeer pulled his sleigh across the sky.
圣诞老人的驯鹿拉着他的雪橇穿越天空。
C1 adjective /ˈroʊ.ɡɪʃ/

Roguish

调皮的; 狡猾的
Meaning
mischievous; playfully dishonest
Example
His roguish smile suggested he was up to some mischief.
他的调皮笑容暗示着他正在策划一些恶作剧。
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 /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 /ˌrɛprɪzɛnˈteɪʃənl̩/

representational

表现性
Meaning
Relating to or depicting something in a realistic or symbolic way.
Example
The artist preferred a representational style of painting.
艺术家更喜欢表现主义的绘画风格。
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。
B1 noun /ˈref.ər.əns/

Reference

参考资料
Meaning
the action of mentioning or alluding to something; a source of information
Example
Please provide references to support your research claims.
请提供参考资料以支持您的研究声明。
B2 noun /ˈraɪdər/

rider

骑手
Meaning
A person who rides a horse, bicycle, motorcycle, or other vehicle.
Example
The rider fell off the horse.
骑手从马背上摔了下来。
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。
C2 verb /rɪˈkjʊə/

recure

再次治疗
Meaning
to cure again; to remedy a second time
Example
The doctor had to recure the wound after it reopened.
医生必须重新治疗伤口，因为它又重新打开了。
C1 adjective /rɪˈpʌl.sɪv/

Repulsive

令人反感的; 令人厌恶的; 引起强烈反感的
Meaning
extremely unpleasant; causing strong dislike or disgust
Example
The smell of rotten eggs was absolutely repulsive.
腐烂鸡蛋的气味完全令人反感。
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。
B1 noun /rɪˈsɔːrs/

resource

资源
Meaning
A supply of materials, money, or assets that can be used when needed.
Example
Water is a vital natural resource.
水是宝贵的自然资源。
A1 adjective /ˈreɪ.di.əʊ/

radio

收音机
Meaning
Relating to radio waves or broadcasting.
Example
FAST is the largest radio telescope in the world.
FAST是世界上最大的射电望远镜。
A2 noun rɪˈsɜːtʃ

research

研究
Meaning
The systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.
Example
Research on radio waves began earlier in India.
关于无线电波的研究在印度早期就开始了。
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。
A2 adjective /ˈreɡ.jə.lər/

Regular

规律的
Meaning
happening at fixed intervals; consistent; normal; frequent
Example
She goes for regular exercise every morning at 6 AM.
她每天早上六点进行规律的锻炼。
A2 noun /roʊz/

Rose

玫瑰
Meaning
a fragrant flower with thorny stems, typically red, pink, white, or yellow
Example
She gave me a beautiful red rose for Valentine's Day.
她在情人节送给我一朵漂亮的红玫瑰。
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。
C2 adjective /rɪˈflɛktɪbəl/

reflectible

可反射的
Meaning
capable of being reflected, as light or an image
Example
The surface of the lake is highly reflectible in the morning sun.
湖面的反射性在早晨的阳光下非常强。
C2 noun /ˈræpsədi/

rhapsody

激昂的歌曲/赞美
Meaning
an expression of great enthusiasm or an epic musical composition
Example
The singer’s performance was a rhapsody of emotions.
歌手的表演是一场情感的狂想曲。
B2 verb /ˈrɛnəˌveɪt/

renovate

翻新
Meaning
to restore something old to a good state or to improve it
Example
They decided to renovate the old house before moving in.
他们决定在搬进之前修复旧房子。
B2 verb /rɪp/

rip

撕裂
Meaning
to tear something quickly or violently
Example
He accidentally ripped his shirt on the fence.
他不小心在篱笆上撕破了衬衫。
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。
C2 noun /rɪˈmɒnstrəns/

remonstrance

抗议
Meaning
A forceful protest or objection.
Example
The workers’ remonstrance against unfair treatment was ignored.
工人的抗议反对不公平待遇被忽视了。
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。
B1 noun /ˈrʌbər/

rubber

幸福
Meaning
a tough elastic substance made from the latex of tropical plants or synthetically, used for making tires, boots, and other products.
Example
The tires are made of natural rubber.
她收到奖项时无法掩饰自己的幸福。
B2 noun /ˈriːzənɪŋ/

reasoning

推理
Meaning
the process of thinking about something in a logical way in order to form a conclusion or judgment
Example
Her reasoning for leaving was clear and logical.
她离开的推理是清晰和合逻辑的。
B1 noun /ˌrɛzəˈluːʃən/

resolution

解决, 决议
Meaning
The action of solving a problem, dispute, or contentious matter.
Example
The resolution of the issue requires careful planning and action.
解决问题需要仔细的计划和行动。
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 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。
B1 noun /rɪˈwɔːd/

reward

奖励
Meaning
something given in recognition of service, effort, or achievement
Example
He received a reward for returning the lost wallet.
他因归还丢失的钱包而获得奖励。
A2 verb /rɪˈlæks/

relax

放松
Meaning
to make or become less tense or anxious; to rest
Example
After a long day, she likes to relax with a good book.
经过一天的劳累，她喜欢拿一本好书放松一下。
B2 verb /rɪˈsaɪt/

recite

背诵
Meaning
To say aloud something learned, especially poetry or text, from memory.
Example
The child recited a poem in front of the class.
孩子在班级前朗诵了一首诗。
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。
B1 noun riˈækʃən

reaction

反应
Meaning
An action performed or a feeling experienced in response to a situation or event.
Example
The arrests triggered a reaction.
逮捕引发了反应。
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。
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 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.
B2 noun /ˈrest.ləs.nəs/

Restlessness

不安
Meaning
the inability to rest or relax as a result of anxiety or boredom
Example
His restlessness during the long meeting was obvious to everyone.
在长时间的会议中，他的不安对每个人都很明显。
B1 noun /reɪ/

ray

光线
Meaning
a narrow beam of light, heat, or radiation
Example
A ray of sunlight broke through the clouds.
一束阳光穿透了云层。
A2 verb /rɪˈkwaɪər/

require

需要
Meaning
to need something; to demand or insist on
Example
This job requires excellent communication skills.
这份工作要求出色的沟通技巧。
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。
B2 noun/verb /rɪˈmɑːrk/

remark

评论
Meaning
something that is said; a comment
Example
She made a remark about the weather.
她对天气做了一个评论。
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。
B2 noun /rɪˈlʌk.təns/

Reluctance

不情愿; 犹豫
Meaning
unwillingness to do something; hesitation
Example
He showed reluctance to accept the job offer.
他表现出不情愿接受工作提议。
B2 adjective /rɪˈlʌktənt/

Reluctant

不情愿的; 犹豫的; 不愿意做某事;
Meaning
unwilling; hesitant; disinclined to do something;
Example
She was reluctant to share her personal information.
她不情愿分享个人信息。
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。
B2 noun /roʊst/

Roast

烤肉
Meaning
Meat cooked by dry heat in an oven or over an open fire
Example
The Sunday roast was perfectly cooked and very tender.
周日的烤肉被煮得非常完美，肉质非常嫩。
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。
B1 verb /rɪˈspɒnd/

respond

回应
Meaning
to give an answer or reply; to react to something
Example
Please respond to my email as soon as possible.
请尽快回复我的电子邮件。
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。
C2 adjective /rɪˈdjuːsəbl̩/

reducible

Meaning
capable of being simplified, lessened, or made smaller
Example
The problem is complex but reducible to a few basic principles.
C2 noun /ˈrɪp.lɪt/

ripplet

微小波纹
Meaning
a small or tiny ripple
Example
Tiny ripplets appeared on the lake as the fish moved.
当鱼移动时，湖面上出现了微小波纹。
B2 noun /ˈrækɪt/

racket

球拍 / 喧闹
Meaning
A piece of equipment used to hit the ball in sports like tennis or badminton; also a loud noise or an illegal scheme.
Example
He bought a new tennis racket for the match.
他为比赛买了一把新网球拍。
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。
B2 verb /reɪl/

rail

抗议
Meaning
to complain or protest strongly about something
Example
He railed against the unfair decision.
他抗议不公平的决定。
B2 noun /rɪb/

Rib

肋骨
Meaning
one of the curved bones that protect the chest and lungs
Example
He broke his rib in the accident.
他在事故中断了一根肋骨。
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。
B2 adjective /ˈrʌs.ti/

Rusty

生锈的; 不熟练的; 由于缺乏近期练习而受损
Meaning
affected by rust; out of practice; impaired by lack of recent practice
Example
My piano skills are rusty after not playing for years.
我的钢琴技巧生锈了，因为多年没有练习。
B2 noun /ˈraɪvəlri/

Rivalry

竞争; 对抗
Meaning
competition for the same objective or for superiority in the same field; the state of being rivals
Example
The rivalry between the two teams made the match exciting.
两个队伍之间的竞争使比赛变得非常刺激。
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 /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。
A2 adverb /ˈrɛɡjələrli/

regularly

定期地
Meaning
at regular intervals; in a regular manner
Example
She exercises regularly to stay healthy.
她定期锻炼以保持健康。
A2 adjective /rɪˈspɒn.sə.bəl/

Responsible

负责任的；有义务的；可靠且值得信赖的
Meaning
accountable; having duties; reliable and trustworthy
Example
Parents are responsible for their children's education and well-being.
父母对孩子的教育和福利负责。
B2 verb /rɪˈvaɪv/

revive

复苏
Meaning
To bring back to life, consciousness, or activity.
Example
The paramedics managed to revive the unconscious man.
急救员成功让昏迷的男子复苏。
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。
B2 noun /ˈrɪdəl/

Riddle

谜语
Meaning
a question or statement intentionally phrased so as to require ingenuity in ascertaining its answer or meaning; a puzzle
Example
The ancient riddle stumped all the scholars for years.
古老的谜语让所有学者困扰了多年。
B2 noun /ˌrep.ɪˈtɪʃ.ən/

Repetition

重复
Meaning
the action of repeating something that has already been said or written
Example
Constant repetition helps students memorize vocabulary effectively.
持续的重复帮助学生有效地记忆词汇。
C2 noun /ˈrɛk.tɪ.tjuːd/

rectitude

正直
Meaning
Morally correct behavior or thinking; righteousness and integrity.
Example
His rectitude earned him respect in society.
他的正直让他在社会中赢得了尊重。
B2 verb /rɪˈvoʊlt/

revolt

反抗
Meaning
to rebel against authority; to feel disgust
Example
The people revolted against the corrupt government.
人民反抗腐败的政府。
B1 adjective /rʌf/

Rough

粗糙的; 粗糙; 严厉的
Meaning
having an uneven surface; not smooth; harsh
Example
The rough surface of the rock hurt my hands.
岩石的粗糙表面伤害了我的手。
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。
B2 noun, verb, adjective /ræŋk/

rank

职级
Meaning
A position in a hierarchy; to place in order according to importance or quality.
Example
She quickly rose to a senior rank in the company.
她迅速晋升为公司中的高级职位。
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。
B2 noun rɪˈkruːt.mənt

recruitment

招聘
Meaning
The action of finding new people to join an organization or support a cause.
Example
Recruitment strengthens the workforce.
招聘增强了劳动力。
B2 adjective /rɪˈɡret.ə.bəl/

Regrettable

令人遗憾的; 不幸的; 可惜的
Meaning
causing or deserving regret; unfortunate; deplorable
Example
It is regrettable that so many talented people left the company.
很遗憾这么多有才华的人离开了公司。
A2 adjective /ruːd/

Rude

粗鲁; 无礼; 不文明; 严厉
Meaning
impolite; discourteous; lacking civility; rough or harsh in manner
Example
It was rude of him to interrupt the meeting.
他打断会议的行为很粗鲁。
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 /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。
B2 noun /ˈroʊstɪd miːt/

Roasted meat

烤肉
Meaning
meat cooked by dry heat in an oven or over fire
Example
The roasted meat was perfectly seasoned and tender.
烤肉被完美地调味和变得嫩滑。
B2 noun /roʊˈteɪʃən/

Rotation

旋转; 转动; 自转
Meaning
the action of rotating around an axis or center; a single turn
Example
The Earth's rotation takes 24 hours to complete.
地球的自转需要24小时才能完成。
A2 noun /rɪˈleɪ.ʃən.ʃɪp/

Relationship

关系
Meaning
the way two people or groups feel and behave towards each other; a connection between two things
Example
They have a very close relationship.
他们有着非常亲密的关系。
B2 adjective /ˈroʊlɪŋ/

rolling

滚动
Meaning
moving in gentle undulations; moving forward by turning over and over
Example
They drove through the rolling hills of the countryside.
他们开车穿过乡村的滚动山丘。
B2 noun /ˌrezəˈveɪʃən/

Reservation

预订
Meaning
the action of reserving something; an arrangement whereby something is reserved for a particular person; a qualification to an expression of agreement or approval
Example
I made a reservation at the restaurant for tonight.
我为今晚在餐厅做了一个预定。
C1 adjective /rɪˈvenʒ.fəl/

Revengeful

复仇的
Meaning
seeking or desiring revenge; vindictive
Example
He became revengeful after being betrayed by his friend.
他在被朋友背叛后变得复仇心切。
C1 adjective /rɪˈtɜː.nə.bəl/

Returnable

可退还的
Meaning
able to be returned or given back
Example
The bottle is returnable for a deposit refund.
这瓶瓶子可以退还存款退款。
A2 noun /ˈreɪl.weɪ/

Railway

铁路
Meaning
a track made of steel rails along which trains run; a system of tracks with trains, stations, and other facilities
Example
The railway connects major cities across the country.
铁路连接全国主要城市。
C2 noun /roʊˈtʌn.də/

rotunda

圆形建筑
Meaning
a large circular building or hall, often with a dome
Example
Tourists gathered inside the grand rotunda of the capitol.
游客们聚集在国会大厦的宏伟圆顶大厅内。
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 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 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 /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。
C2 noun /ˌrɛtroʊˈɡrɛʃən/

retrogression

倒退
Meaning
a return to a worse or less developed state
Example
The country experienced economic retrogression after the crisis.
该国在危机后经历了经济倒退。
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。
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。
B1 noun /rɪˈɡret/

Regret

遗憾
Meaning
a feeling of sadness or disappointment about something that has happened or been done
Example
She felt deep regret about her harsh words.
她对她的尖锐话语深感遗憾。
B2 noun /ræɡ/

Rag

旧布；用来清洁的破旧衣物
Meaning
a piece of old cloth used for cleaning; worn-out clothing
Example
She used an old rag to clean the dusty table.
她用一块旧布擦拭了满是灰尘的桌子。
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 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。
B2 adverb /rɪˈlʌk.tənt.li/

Reluctantly

不情愿地
Meaning
in an unwilling manner; with hesitation or resistance
Example
She reluctantly agreed to help with the project.
她不情愿地同意帮助这个项目。
C2 verb (archaic/rare) /rɛk/

reck

在乎
Meaning
To care about or be concerned with (something); to have regard for.
Example
He does not reck the dangers of his actions.
他不在乎自己行为的危险。
B2 adverb /rɪˈmɑːrkəbli/

remarkably

引人注目地
Meaning
in a way that is worthy of attention or notice; surprisingly
Example
She did remarkably well in the competition.
她在比赛中表现得引人注目。
B1 noun /rɪsk/

Risk

风险
Meaning
a situation involving exposure to danger; the possibility of something bad happening
Example
Taking this investment carries a high risk of losing money.
进行这项投资存在高风险可能会损失资金。
C2 adjective /rɪˈsplɛndənt/

resplendent

辉煌
Meaning
Shining brilliantly; dazzling in appearance or effect
Example
The bride looked resplendent in her wedding gown.
新娘穿着婚纱看起来光彩照人。
B1 noun /ˈrʌbɪʃ/

Rubbish

垃圾; 无用的东西; 胡说
Meaning
waste material; refuse or litter; nonsense or worthless things
Example
Please throw the rubbish in the bin.
请把垃圾丢进垃圾桶。
C1 noun /ˈruːbrɪk/

rubric

评分标准 / 指南
Meaning
A set of instructions, rules, or a heading in a document, often used for grading criteria.
Example
The teacher provided a grading rubric for the assignment.
老师提供了一个作业评分标准。
C2 adjective /ˈruːbɪkənd/

rubicund

红润的脸
Meaning
Having a healthy reddish complexion.
Example
The old man’s rubicund face showed he was in good health.
那位老人的红润脸庞显示他身体健康。
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 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 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。
B2 adjective /ˈreɪsɪst/

racist

种族主义者
Meaning
showing or feeling discrimination or prejudice against people of other races
Example
He was accused of making racist comments.
他被指控发表种族主义的评论。
B2 noun /ˌrɛvəˈleɪʃən/

revelation

启示
Meaning
A surprising and previously unknown fact, especially one made known in a dramatic way.
Example
The book was full of shocking revelations about the politician.
这本书充满了对政治家的震惊启示。
C1 verb /reɪv/

rave

赞扬
Meaning
to speak or write about something with great enthusiasm or admiration
Example
Critics rave about the new movie.
评论家们对新电影赞不绝口。