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。

B2 noun /ˌren.əˈveɪ.ʃən/

Renovation

翻新; 恢复

Meaning

the act of renovating; restoration to a former better state

Example

The old house underwent a complete renovation last year.

去年老房子进行了彻底的翻修。

B2 verb /rɪˈvɜːs/

reverse

反转

Meaning

to change something to the opposite direction, position, or result

Example

She quickly reversed the car out of the driveway.

她迅速把车从车道上倒了出来。

B2 adjective /rɪˈlaɪ.ənt/

reliant

依赖的

Meaning

depending on someone or something for support

Example

The country is too reliant on imported goods.

这个国家过于依赖进口商品。

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 adjective ˌriːprəˈdʌktɪv

reproductive

繁殖的

Meaning

Relating to the reproduction of offspring.

Example

The reproductive cycle of pests can cause rapid infestations.

害虫的繁殖周期可能导致快速的感染。

B2 noun /ˌrɪəlɪˈzeɪʃən/

realization

实现

Meaning

the act of becoming fully aware of something as a fact

Example

Her realization of the problem helped solve the issue.

她对问题的实现帮助解决了问题。

B2 adjective /rɪˈliːvd/

relieved

松了一口气

Meaning

feeling happy and less worried after something stressful has been removed or resolved

Example

She felt relieved after hearing the good news.

听到好消息后，她感到松了一口气。

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。

B2 verb /rɪˈkɔːl/

recall

回忆

Meaning

to bring (a memory, fact, or situation) back into one's mind

Example

I can't recall the last time we met.

我记不得我们上次见面是什么时候。

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。

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。

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 /rɪˈdʒɔɪs/

rejoice

欢欣

Meaning

to feel or show great joy; to celebrate

Example

The family rejoices at the good news.

这个家庭因好消息而欢欣鼓舞。

B2 noun ˌrev.əˈluː.ʃənz

revolutions

革命

Meaning

Dramatic and wide-reaching changes in political, social, or economic systems, often involving the overthrow of a government or social order.

Example

Revolutions often lead to significant societal changes.

革命常常导致社会变革的重要变化。

B2 verb /ˌriː.kənˈsɪd.ər/

reconsider

重新考虑

Meaning

to think about something again, especially to change a decision or opinion

Example

She decided to reconsider her decision about moving abroad.

她决定重新考虑她关于移居国外的决定。

B2 noun/adjective /rɪˈpʌblɪkən/

republican

共和党人

Meaning

a member or supporter of a republican political party or system

Example

The republican candidate won the election.

共和党候选人赢得了选举。

B2 noun /ˈruːstər/

rooster

公鸡

Meaning

A male domestic chicken, especially one that crows.

Example

The rooster crowed at dawn, waking up the whole village.

公鸡在黎明时分打鸣，唤醒了整个村庄。

B2 noun /rɪˈbel.jən/

Rebellion

起义

Meaning

an act of armed resistance to an established government or leader

Example

The rebellion against the king lasted for three years.

反抗国王的起义持续了三年。

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 /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。

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/verb /ræft/

raft

筏

Meaning

A flat structure made of logs or planks tied together, used as a boat or floating platform; to travel or transport on such a structure.

Example

They built a raft to cross the river.

他们建造了一只筏子来过河。

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 verb /rɪˈkruːt/

recruit

招募

Meaning

to enlist or hire people for a job, service, or membership

Example

The company is trying to recruit more software engineers.

这家公司正在努力招募更多的软件工程师。

B2 noun /ˈruːmər/

Rumour

流言; 八卦; 新闻

Meaning

a currently circulating story or report of uncertain or doubtful truth; gossip

Example

There's a rumour that the company will close next month.

有传言说公司将在下个月关闭。

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。

B2 noun ˌriːkənˈstrʌkʃn

reconstruction

重建

Meaning

The action or process of reconstructing or being reconstructed.

Example

The reconstruction project took years.

重建项目花了几年时间。

B2 noun /ræntʃ/

ranch

牧场

Meaning

a large farm where animals such as cattle or sheep are raised

Example

They own a huge cattle ranch in Texas.

他们在德克萨斯州拥有一个巨大的牧场。

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 /'ræd.ɪʃ/

Radish

小萝卜

Meaning

a small pungent edible root vegetable with white or red skin

Example

The farmer harvested fresh radishes from the garden.

农民从花园里收获了新鲜的小萝卜。

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。

B2 noun /reɪdʒ/

rage

愤怒

Meaning

intense anger or fury

Example

She shouted in a fit of rage after hearing the news.

她听到消息后在愤怒中大喊。

B2 noun /ˈreɪtɪŋ/

rating

评分

Meaning

an evaluation or assessment, usually numerical

Example

The movie received a high rating from critics.

这部电影得到了评论家的高评分。

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。

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。

B2 verb /rɪˈstrɪkt/

restrict

限制

Meaning

To limit the size, amount, or range of something.

Example

The government decided to restrict the use of plastic bags.

政府决定限制塑料袋的使用。

B2 adjective /rɪˈzɜːrvd/

Reserved

内向的; 保守的

Meaning

slow to reveal emotion or opinions; restrained in manner

Example

She is quite reserved and doesn't talk much in meetings.

她相当内向，在会议中很少讲话。

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 noun, verb /ˈriːteɪl/

retail

零售

Meaning

the sale of goods to the public in small quantities for use or consumption rather than for resale

Example

The company specializes in the retail of clothing and accessories.

公司专注于服装和配件的零售业务。

B2 noun /ˈrɪb.ən/

ribbon

缎带

Meaning

a long, narrow strip of fabric used for tying or decoration

Example

She tied her hair with a red ribbon.

她用一条红色的缎带绑住了她的头发。

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。

B2 verb /rɪˈstreɪn/

restrain

抑制

Meaning

to hold back or control; to limit or restrict

Example

Please restrain your dog.

请控制你的狗。

B2 adjective /rɪˈzɪl.i.ənt/

resilient

韧性

Meaning

Able to withstand or recover quickly from difficult conditions.

Example

Resilient materials ensure durability.

韧性材料确保耐用性。

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。

B2 noun /ˈrɛlɪvəns/

relevance

Rigid

严格

Meaning

hard and stiff; not able to bend; strict and unwilling to change

Example

The company has a rigid dress code that all employees must follow.

公司有严格的着装要求，所有员工都必须遵守。

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。

B2 verb /rɪˈkleɪm/

reclaim

Meaning

To take back or recover something; to restore to a usable state.

Example

The farmer worked to reclaim the barren land.

B2 noun /ˌrɛɡ.jʊˈleɪ.ʃən/

regulation

由权威制定和维护的规则或指令

Meaning

A rule or directive made and maintained by an authority.

Example

Government regulation ensures fair business practices.

政府规则确保公平的商业实践。

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。

B2 verb /rɪˈzɛnt/

resent

怨恨

Meaning

to feel bitterness or displeasure about something or someone

Example

She began to resent the constant criticism from her boss.

她开始对老板的不断批评感到愤恨。

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。

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 adjective /rɪˈsɔːrsfəl/

resourceful

Meaning

Having the ability to find quick and clever ways to overcome difficulties.

Example

She is very resourceful when it comes to solving unexpected problems.

B2 noun ˌriːfɔːˈreɪʃən

reforestation

重新造林

Meaning

The natural or intentional restocking of existing forests and woodlands that have been depleted.

Example

Reforestation efforts are crucial to restoring ecosystems.

重新造林的努力对恢复生态系统至关重要。

B2 adjective /ˈrest.ləs/

Restless

焦虑不安

Meaning

unable to rest or relax; constantly moving or fidgeting

Example

The child was restless during the long car journey.

孩子在长时间的车程中坐立不安。

B2 noun ˌrɛstəˈreɪʃən

restoration

修复

Meaning

The process of returning something to its former condition.

Example

The restoration of the forest began after decades of neglect.

森林的修复开始于数十年的忽视之后。

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。

B2 verb /rɪˈzuːm/

resume

重新开始

Meaning

to start again after a pause or interruption

Example

We will resume the meeting after lunch.

我们将在午餐后继续会议。

B2 noun /ˈroʊ.lɪŋ pɪn/

Rolling pin

擀面杖

Meaning

a cylindrical tool used for rolling out dough or pastry

Example

Roll the dough flat with a rolling pin.

用擀面杖把面团擀平。

B2 noun ˌrɛzɪɡˈneɪʃən

resignation

辞职

Meaning

The acceptance of something undesirable but inevitable; giving up.

Example

Her resignation from the position was unexpected.

她辞去了职位，这是出乎意料的。

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 /rɪˈfɔːr.mər/

Reformer

改革者

Meaning

a person who works to bring about positive changes in society or institutions

Example

The social reformer dedicated her life to improving education for all children.

社会改革者致力于改善所有儿童的教育。

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。

B2 noun, verb /ˈrætəl/

rattle

嘎啦作响；拨浪鼓

Meaning

to make a rapid series of short, sharp sounds; a device or object that makes such a sound

Example

The loose window began to rattle in the strong wind.

在强风中，松动的窗户嘎啦作响。

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。

B2 verb /ˈroʊ.teɪt/

rotate

旋转

Meaning

to turn around a central point or axis

Example

The Earth rotates on its axis once every 24 hours.

地球每24小时围绕其轴线旋转一次。

B2 verb /ˌriːjuˈnaɪt/

reunite

重聚

Meaning

to bring together again after separation

Example

The family was reunited after many years.

这个家庭在许多年后重新团聚。

B2 noun /ˈreɪ.zər/

Razor

剃须刀

Meaning

a sharp-edged instrument used for shaving hair from the skin

Example

He shaved his beard with a sharp razor.

他用一把锋利的剃须刀刮胡子。

B2 adjective /ˈrɪski/

risky

Meaning

Involving the possibility of danger, harm, or loss

Example

Investing in that startup is risky but could bring high rewards.

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。

B2 noun/verb /rɪˈmɑːrk/

remark

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。

B2 adjective /rɪˈstrɪk.tɪd/

Restricted

有限制的或控制的；受限制的

Meaning

limited or controlled; subject to restrictions

Example

Access to this area is restricted to authorized personnel only.

进入此区域仅限授权人员。

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。

B2 adverb /rɪˈpɔːtɪdli/

reportedly

据报道

Meaning

according to what is said or believed, although not confirmed

Example

The company has reportedly agreed to the new terms.

公司 reportedly 已同意新的条款。

B2 verb /rɪˈkɜːr/

recur

Meaning

to happen again, especially repeatedly or at regular intervals

Example

The headache tends to recur every few weeks.

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。

B2 adverb /rɪˈɡɑrdləs/

regardless

不管

Meaning

without paying attention to the current situation or condition

Example

She will go to the party regardless of the weather.

她将去派对，不管天气如何。

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。

B2 adjective /ˈræʃ.ən.əl/

Rational

理性; 合理; 逻辑

Meaning

based on reason and logic; sensible and practical

Example

She made a rational decision based on the available facts.

她根据可用的事实做出了理性的决定。

B2 adjective /ˈruːθ.ləs/

Ruthless

无情的; 残忍的; 毫无怜悯的

Meaning

showing no pity or compassion; cruel; merciless

Example

The ruthless dictator showed no mercy to his enemies.

那个冷酷的独裁者对他的敌人毫不留情。

B2 noun /rɪˌlaɪəˈbɪləti/

reliability

可靠性

Meaning

the quality of being trustworthy or performing consistently well

Example

Customers value the reliability of our service.

客户重视我们服务的可靠性。

B2 verb /reɪd/

raid

突袭

Meaning

to attack suddenly; to search and seize

Example

Police raid the illegal gambling house.

警方突袭非法赌博屋。

B2 noun /rɪm/

rim

边缘

Meaning

the outer edge or border of a circular object

Example

The coffee cup had a chip on its rim.

咖啡杯的边缘有个裂痕。

B2 adjective /ˈrɪdən/

ridden

充斥

Meaning

Full of or dominated by something unpleasant.

Example

The country was ridden with corruption.

这个国家充斥着腐败。

B2 adjective /rɪˈspek.tɪv/

Respective

各自的; 相关的

Meaning

belonging to each individual; particular to each

Example

The students returned to their respective classrooms after lunch.

学生们在午餐后回到了各自的教室。

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 /ˌriːkriˈeɪt/

recreate

重新创建

Meaning

to create or produce something again, especially a new version of something lost or destroyed

Example

The team recreated the lost dataset from backups.

团队从备份中重新创建了丢失的数据集。

B2 noun ˈrɛvənuː

revenue

收入

Meaning

Income, especially when of a company or organization.

Example

The company's revenue grew by 10% this year.

公司的收入今年增长了10%。

B2 noun /ˈruːdnəs/

Rudeness

粗鲁

Meaning

the quality of being impolite, discourteous, or offensive in behavior or speech

Example

His rudeness shocked everyone at the dinner party.

他的粗鲁在晚宴上震惊了所有人。

B2 adjective /rɪˈfreʃ.ɪŋ/

Refreshing

清新

Meaning

making one feel energized and renewed; pleasantly new or different

Example

The cool breeze was refreshing after the hot day.

在炎热的日子之后，凉爽的微风让人感觉清新。

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。

B2 noun rɪˈzɪl.i.əns

resilience

韧性

Meaning

The ability to recover quickly from difficulties; toughness.

Example

Testing the resilience of wood is crucial.

测试木材的韧性是至关重要的。

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 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 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 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。

B2 noun /rɪˈlaɪ.əns/

Reliance

依赖

Meaning

the state of depending on something or someone for support or help

Example

His reliance on technology is concerning.

他对技术的依赖令人担忧。

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。

B2 noun /rɪˈfreʃ.mənt/

Refreshment

茶点

Meaning

food and drink that is served as a light meal; something that refreshes

Example

We served light refreshments after the meeting.

我们在会议后提供了轻便的茶点。

B2 noun rɪˈsɛʃ.ən

recession

经济衰退

Meaning

A period of temporary economic decline during which trade and industrial activity are reduced.

Example

The country faced a severe recession due to the financial crisis.

由于金融危机，该国面临严重的经济衰退。

B2 noun rɪˈzentmənt

resentment

怨恨

Meaning

Bitter indignation at having been treated unfairly.

Example

Resentment grew among the students.

学生们之间的怨恨加剧了。

B2 noun ˈruθləs ˌkɑmpəˈtɪʃən

ruthless competition

无情的竞争

Meaning

Fierce and merciless rivalry or contest, without pity or compassion.

Example

Ruthless competition for power leads to societal issues.

为了权力的无情竞争导致了社会问题。

B2 noun /ˈruːlɪŋ/

ruling

裁决

Meaning

an official decision made by a judge or authority.

Example

The court’s ruling favored the defendant.

法院的裁决对被告有利。

B2 verb /ˈrʌm.bəl/

rumble

幸福

Meaning

to make a continuous deep, resonant sound

Example

Thunder rumbled in the distance.

当她收到奖项时，她无法隐藏自己的幸福。

B2 noun /reɪˈʒiːm/

regime

政权

Meaning

a system or form of government, often authoritarian

Example

The military regime controlled the country for decades.

军事政权控制了这个国家几十年。

B2 noun /ˈreɪsɪzəm/

racism

种族主义

Meaning

the belief that some races are superior to others, leading to unfair treatment or prejudice

Example

The organization works to eliminate racism in all forms.

该组织致力于消除所有形式的种族主义。

B2 verb /rɪˈtriːv/

retrieve

找回

Meaning

to get something back that was lost or taken; to recover

Example

She managed to retrieve her lost phone from the taxi.

她成功地从出租车中找回了她丢失的手机。

B2 noun /ˌref.jʊˈdʒiː/

Refugee

难民

Meaning

a person who has been forced to leave their country in order to escape war, persecution, or natural disaster

Example

The refugee camp provided temporary shelter for thousands of displaced families.

难民营为成千上万的流离失所的家庭提供了临时庇护。

B2 verb /ˌriːəˈʃʊr/

reassure

安慰

Meaning

to say or do something to remove someone's doubts or fears

Example

The teacher reassured the students before the exam.

老师在考试前安慰了学生。

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 /ˈreb.əl/

Rebel

叛徒

Meaning

a person who resists authority or control

Example

The young rebel refused to follow the school rules.

那个年轻的叛徒拒绝遵守学校的规定。

B2 verb /rɪˈteɪn/

retain

保持

Meaning

to keep possession of something

Example

The company decided to retain its experienced employees.

公司决定保留其经验丰富的员工。

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。

B2 noun rɪˈtɛnʃən

retention

保持

Meaning

The continued possession, use, or control of something

Example

The retention of information is essential for academic success.

信息的保持对学术成功至关重要。

B2 noun /ˈreɪ.zɪnz/

Raisins

葡萄干

Meaning

dried grapes, often used in cooking and baking

Example

She added raisins to the oatmeal cookies for extra sweetness.

她在燕麦饼干中加入了葡萄干，以增加甜味。

B2 verb /rɪˈzɑlv/

resolve

解决

Meaning

to solve a problem; to decide firmly

Example

The manager resolves the conflict between employees.

经理解决了员工之间的冲突。

B2 adjective /rɪˈnjuː.ə.bəl/

renewable

可再生

Meaning

Able to be renewed or replaced naturally; not depleted when used.

Example

Renewable resources minimize environmental damage.

可再生资源减少环境损害。

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 noun ˌreɪdɪˈeɪʃən

radiation

辐射

Meaning

The emission of energy as electromagnetic waves or as moving subatomic particles.

Example

Radiation from the sun can be harmful without protection.

太阳的辐射没有保护可能是有害的。