rasp
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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.
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。
B1 noun /rɪˈsep.ʃən/

Reception

接待; 欢迎; 活动;
Meaning
the action of receiving something or someone; a formal social occasion held to welcome someone
Example
The wedding reception was held at a beautiful hotel.
婚礼接待在一家漂亮的酒店举行。
C2 noun /rɪˌkrɪmɪˈneɪʃən/

recrimination

相互指责
Meaning
an accusation made in response to an accusation; mutual blaming
Example
The debate quickly descended into mutual recriminations.
辩论迅速变成了相互指责。
B1 verb /rɪˈkʌvər/

recover

恢复
Meaning
To return to a normal state of health, mind, or strength; to regain or save something.
Example
The world is struggling to recover from the pandemic.
世界正在努力从大流行中恢复过来。
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 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 /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。
C2 noun /ˈræŋ.kər/

rancor

怨恨
Meaning
A feeling of deep and bitter anger or resentment.
Example
There was a rancor between the two rivals that never faded.
这两位对手之间有一种怨恨，永远没有消失。
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。
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 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 /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。
B2 verb /rɪˈkɜːr/

recur

Meaning
to happen again, especially repeatedly or at regular intervals
Example
The headache tends to recur every few weeks.
B1 adjective /ˈriː.zən.ə.bəl/

Reasonable

合理的; 公正且实用的; 不太贵; 合逻辑的
Meaning
fair and sensible; not too expensive; logical and practical
Example
The hotel offers reasonable prices for quality accommodation.
酒店提供合理的价格，以便提供优质的住宿。
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 /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 /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。
A1 noun /reɪn/

Rain

雨
Meaning
water that falls from clouds in small drops
Example
The heavy rain forced us to stay indoors.
大雨迫使我们待在室内。
A2 noun /ˈrʌnɪŋ/

running

跑步
Meaning
the action or sport of running
Example
Running every morning keeps me healthy.
每天早晨跑步保持我健康。
B2 noun, verb /rɪər/

rear

后面 / 抚养
Meaning
the back part of something; to bring up or raise children or animals
Example
The mother cat reared her kittens in a quiet corner.
母猫在安静的角落里抚养她的猫仔。
B1 noun rəʊlz

Roles

角色
Meaning
A person's or thing's function in a particular situation.
Example
Defined roles improve team performance.
定义的角色改善团队表现。
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 noun /rəˈviːn/

ravine

峡谷
Meaning
A deep, narrow valley with steep sides.
Example
The river carved a deep ravine through the mountains.
河流在山脉中切割出一条深深的峡谷。
B2 verb /ˈrɛkən/

reckon

推测
Meaning
To think, believe, or expect something; to calculate or estimate.
Example
I reckon it will rain later today.
我猜今天稍后会下雨。
B1 noun /rɪˈkwɛst/

request

Meaning
a formal or polite demand for something
Example
She made a request for additional time to complete the project.
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 adjective /rɪˈflɛksəbl/

reflexible

可反射的
Meaning
Capable of being reflected or bent back.
Example
The surface was highly reflexible, bouncing light in different directions.
表面非常可反射，能够将光线反射到不同的方向。
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 /ˈræn.sæk/

ransack

洗劫
Meaning
to search a place roughly and steal or damage things
Example
Burglars ransacked the house while the family was away.
盗贼在家人不在时洗劫了房子。
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。
B2 verb /roʊm/

roam

漫游
Meaning
to walk or travel without a specific destination; to wander
Example
Wild animals roam freely in the forest.
野生动物在森林中自由漫游。
B2 noun /ˈrem.ə.di/

Remedy

药物；治疗；补救办法
Meaning
a medicine or treatment for a disease; a solution to a problem
Example
This herbal remedy helps with headaches.
这种草药治疗有助于缓解头痛。
B2 verb /rɒt/

rot

腐烂
Meaning
to decay or decompose; to become corrupt
Example
The fruit will rot if left in the sun.
水果如果暴露在阳光下会腐烂。
B2 noun /rɪˈdʒɛkʃən/

rejection

拒绝
Meaning
the action of refusing or dismissing something or someone
Example
Her rejection of the offer surprised everyone.
她拒绝了这个提议，令所有人吃惊。
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 /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。
B1 adjective /rɪˈlækst/

relaxed

放松的
Meaning
free from tension or stress; calm and comfortable
Example
She felt relaxed after listening to soft music.
听了轻音乐后，她感到很放松。
B1 adjective /ˌriːəˈlɪstɪk/

realistic

现实的
Meaning
having or showing a sensible and practical idea of what can be achieved or expected
Example
She gave a realistic estimate of the project's cost.
她给出了项目成本的现实估计。
B2 adjective /rɪˈflektɪv/

Reflective

反射的; 沉思的; 能反射光或图像
Meaning
thoughtful; contemplative; able to reflect light or images
Example
After the meeting, he was in a reflective mood.
会议后，他处于沉思的状态。
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。
C2 noun /ˈræɡəmʌfɪn/

ragamuffin

破烂的孩子
Meaning
A person, typically a child, in ragged, dirty clothes.
Example
The little ragamuffin begged for food on the street.
那个小破烂的孩子在街上乞讨食物。
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 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 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 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。
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。
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。
B2 noun rɪsk ˈfæktər

risk factor

风险因素
Meaning
Something that increases the likelihood of developing a disease or condition
Example
Water pollution is a significant risk factor for health.
水污染是健康的一个重要风险因素。
C1 noun /rɪˌmjuː.nəˈreɪ.ʃən/

Remuneration

报酬; 薪酬; 奖金
Meaning
money paid for work or services; compensation or reward
Example
The job offers excellent remuneration and benefits.
这份工作提供了优厚的报酬和福利。
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。
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 /rɪˈtaɪə.mənt/

Retirement

退休
Meaning
the action or fact of leaving one's job and ceasing to work; the period of life after leaving work
Example
He is planning his retirement after 40 years of service.
他在工作40年后计划退休。
B1 verb /rɪˈliːs/

release

释放
Meaning
to set free; to allow something to escape or go away
Example
The prisoner was released after ten years.
囚犯在十年后被释放。
B2 noun /ˈrerəti/

Rarity

稀有的状态; 不常见或稀缺的东西
Meaning
the state of being rare; something that is uncommon or scarce
Example
The antique vase was a rarity worth thousands of dollars.
古董花瓶是一种稀有物品，价值数千美元。
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。
B2 noun /ræk/

Rack

架子
Meaning
a framework or structure for holding or storing things
Example
She hung her coat on the rack by the door.
她把外套挂在门旁的架子上。
B2 verb /ˈræl.i/

rally

Meaning
to come together for a common purpose or to recover strength or spirit
Example
The team rallied after halftime and won the match.
C2 verb /rɛtʃ/

retch

幸福
Meaning
to make the sound and movement of vomiting without bringing anything up
Example
The smell of spoiled food made him retch violently.
腐烂的食物气味使他剧烈地呕吐。
B2 verb /ˌriː.kənˈstrʌkt/

reconstruct

重建
Meaning
to build or form something again after it has been damaged or destroyed
Example
The city was reconstructed after the earthquake.
这座城市在地震后重新建设。
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 verb /rɪˈpʌls/

repulse

击退 / 激起反感
Meaning
to drive back an attack or attacker by force; to cause intense dislike or disgust
Example
The army managed to repulse the enemy attack.
军队成功地击退了敌人的进攻。
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。
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。
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 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。
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 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 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 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。
A2 verb /roʊl/

roll

滚动
Meaning
to move by turning over and over on an axis
Example
She rolled the ball down the hill.
她把球滚下了山坡。
C1 noun /ˈruː.bi/

Ruby

红宝石
Meaning
a precious red gemstone; a deep red variety of corundum
Example
The ruby ring was her most treasured possession.
那枚红宝石戒指曾是她最珍贵的财物。
C2 adjective /ˈrɛkənˌdaɪt/ or /ˈrɛkəndaɪt/

recondite

鲜为人知或难以理解的
Meaning
Little known or difficult to understand.
Example
The professor’s lecture was full of recondite theories.
教授的讲座充满了深奥的理论。
B2 noun /ˈreɪʃoʊ/

ratio

比例
Meaning
a relationship between two numbers showing how many times the first number contains the second
Example
The ratio of boys to girls in the class is 2:1.
班级中男生和女生的比例是2:1。
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 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。
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。
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 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 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 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。
C2 verb /rɪˈmɒnstreɪt/

remonstrate

抗议
Meaning
To make a forceful protest or objection.
Example
Citizens remonstrated against the new tax policy.
公民们抗议新税政策。
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 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 /ˈreɡ.jʊ.lə.tər.i/

Regulatory

监管
Meaning
Having the power to control or govern something through rules and regulations.
Example
The government enforces regulatory policies for financial stability.
政府执行金融稳定的监管政策。
A2 noun /ˈriːdər/

reader

读者
Meaning
a person who reads or who is capable of reading
Example
She is a fast reader, finishing books in a day.
她是一个快速的读者，一天就能读完书。
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 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。
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。
B2 noun /ˈrɒbər/

robber

强盗
Meaning
a person who steals property from others, often using force or threat
Example
The robber was caught after a quick police chase.
经过警方的快速追捕，强盗被抓住了。
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。
B2 noun /ˈrɪk.ʃɔː/

Rickshaw

人力车
Meaning
a light two-wheeled passenger vehicle drawn by one or more people
Example
We took a rickshaw to reach the busy marketplace.
我们乘坐人力车前往繁忙的市场。
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。
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。
B1 noun /rɪˈsɜːtʃə(r)/

researcher

研究员
Meaning
a person who conducts research
Example
The researcher published her findings in a scientific journal.
研究员在科学期刊上发表了她的研究结果。
A1 noun, adjective, adverb /raɪt/

right

权利
Meaning
something that is morally good, fair, or just; or a legal/entitled claim
Example
Everyone has the right to free speech.
每个人都有言论自由的权利。
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。
B1 adjective /rɪˈdɪk.jə.ləs/

Ridiculous

荒谬的; 可笑的; 愚蠢的
Meaning
extremely silly or unreasonable; deserving or causing laughter
Example
The idea of building a house without tools is ridiculous.
没有工具建房子的想法是荒谬的。
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。
C2 noun /ˈrɛtɪnjuː/

retinue

随行人员
Meaning
A group of attendants or followers accompanying an important person.
Example
The king entered the hall followed by his retinue.
国王带着随行人员进入了大厅。
B1 adverb /ˈrʌfli/

Roughly

大约; 以粗暴或暴力的方式
Meaning
approximately; in a harsh or violent way
Example
The project will take roughly three months to complete.
这个项目大约需要三个月完成。
B2 adjective /ˈrek.ləs/

Reckless

鲁莽的; 冒失的; 危险的;
Meaning
acting without thinking about consequences; careless; dangerous;
Example
His reckless driving caused a serious accident.
他的鲁莽驾驶导致了严重的事故。
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。
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 verb /rɪˈnuː/

renew

Meaning
to make something new again or extend its period of validity
Example
I need to renew my passport before traveling.
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 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 /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。
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。
B2 adjective /ˈrɒt.ən/

Rotten

腐烂的; 坏的
Meaning
decayed; spoiled; bad
Example
The apple is rotten and should be thrown away.
苹果已经腐烂了，应该扔掉。
B2 noun /rɪˈstrɪk.ʃən/

Restriction

限制; 限定; 控制
Meaning
a limiting condition or measure; the limitation or control of someone or something
Example
There are strict restrictions on smoking in public places.
在公共场所吸烟有严格的限制。
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。
B2 noun /ˌreɡ.jʊˈlær.ɪ.ti/

Regularity

规律性
Meaning
the quality of being regular; occurring at fixed intervals or in a consistent pattern
Example
The regularity of his exercise routine helped him stay healthy.
他锻炼的规律性帮助他保持健康。
C2 noun/adjective /rɪˈmɒnstrənt/

remonstrant

抗议者
Meaning
A person who makes a forceful protest (noun); protesting or objecting (adjective).
Example
He was a remonstrant voice in the assembly.
他是会议中的抗议声音。
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 /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。
C2 adjective /ˈrɛpərəbəl/

reparable

可修复的
Meaning
able to be repaired or fixed
Example
The damage to the car was serious but still reparable.
汽车的损坏很严重，但仍然是可修复的。
B2 noun /rɪˈhɜːr.səl/

Rehearsal

彩排; 演出排练
Meaning
a practice performance of a play, concert, or other work for later public performance
Example
The final rehearsal before opening night went perfectly.
开幕夜前的最后一次彩排非常完美。
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 /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。
C2 noun /ˌriːkruːˈdɛsəns/

recrudescence

复发
Meaning
a new outbreak or revival of something that had subsided, especially an undesirable condition
Example
Health officials warned of a recrudescence of measles in several districts.
卫生官员警告多个地区麻疹的复发。