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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 /ˌrɛprɪzɛnˈteɪʃən/

representation

代表
Meaning
the action of speaking or acting on behalf of someone or something
Example
Her representation of the team was impeccable.
她对团队的代表非常出色。
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。
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 /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。
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 /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 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 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 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 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 /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。
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 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 /raɪˈnɒs.ər.əs/

Rhinoceros

犀牛
Meaning
a large, heavy animal with thick skin and one or two horns on its nose
Example
The rhinoceros charged through the grassland.
犀牛冲过草原。
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 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 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 noun /ˈræŋkɪŋ/

ranking

排名
Meaning
a position in a list or hierarchy, especially in terms of performance or importance
Example
His ranking in the competition improved after each round.
他在比赛中的排名在每一轮之后都有所提高。
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 rəʊˈbʌst

robust

强壮
Meaning
Strong and healthy; vigorous; able to withstand or overcome adverse conditions.
Example
The robust infrastructure ensures reliable communication.
强大的基础设施确保可靠的通信。
B2 noun /ˈraɪfəl/

Rifle

步枪
Meaning
a gun with a long barrel that is fired from the shoulder
Example
The soldier carried a rifle during the mission.
士兵在任务中携带着步枪。
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 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 adjective rɪˈnaʊnd

renowned

著名
Meaning
Known or talked about by many people; famous.
Example
The renowned scientist led the reform panel.
著名的科学家领导了改革小组。
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 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 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 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。
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 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 /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, verb /ræŋks/

ranks

军衔
Meaning
Positions within a group, especially in a hierarchy or organization.
Example
He quickly moved up the ranks of the army.
他迅速在军队中晋升。
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 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 adjective /ˌrez.ɪˈden.ʃəl/

residential

住宅
Meaning
Designed for people to live in.
Example
The institution was fully residential.
该机构是完全住宅性质的。
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 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 /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。
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 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 adjective /rɪˈfaɪnd/

Refined

精致的; 纯净的
Meaning
elegant and cultured in appearance, manner, or taste; purified
Example
She has very refined taste in art and music.
她对艺术和音乐有非常精致的品味。
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。
B2 verb /rɪˈɡeɪn/

regain

恢复
Meaning
to get back something that was lost; to recover
Example
He regains his strength after the illness.
他在生病后恢复了力量。
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 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。
B2 verb /rɪˈzɜːv/

reserve

预定
Meaning
to keep something for future use; to book in advance
Example
I want to reserve a table for dinner.
我想为晚餐预订一张桌子。
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。
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 adjective /raɪp/

Ripe

成熟的; 准备食用
Meaning
fully developed and ready to eat; mature; ready for action or use
Example
The bananas are ripe and ready to eat.
香蕉已经成熟，准备食用。
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 verb /riːp/

reap

收获
Meaning
to cut or gather a crop; to receive as a consequence of actions
Example
Farmers reap wheat in the late summer.
农民在夏末收割小麦。
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 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。
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/verb rɪˈfɔːm

reform

改革
Meaning
Make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.
Example
Reform in the education system was a priority.
教育系统的改革是优先事项。
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 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 adjective ˈræd.ɪ.kəl

radical

能够带来根本性变化，反对传统的信仰或系统
Meaning
Capable of bringing fundamental changes opposite to conventional beliefs or systems.
Example
The leader proposed radical economic reforms.
领导人提议进行激进的经济改革。
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 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 /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 verb /rɪˈliːv/

relieve

Meaning
to make pain, distress, or difficulty less severe or serious
Example
The medicine helped relieve his headache.
B2 noun /ˈruːmər/

rumor

谣言
Meaning
a currently circulating story or report of uncertain or doubtful truth.
Example
There’s a rumor that the company will merge next year.
有传闻说公司明年将合并。
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 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 /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 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 noun /ˌreɡ.jʊˈleɪ.ʃənz/

regulations

规定
Meaning
Rules or directives made and maintained by an authority.
Example
Strict regulations ensure fair practices.
严格的规定确保公平的做法。
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 /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 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 /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 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。
B2 noun, verb /rɪˈzɔːrt/

resort

度假村 / 最后的选择
Meaning
A place for rest or recreation; to turn to something for help or solution.
Example
They stayed at a beach resort during their vacation.
他们在度假期间住在海滩度假村。
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 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 adjective /ˈrʌn daʊn/

run-down

破旧的
Meaning
in a poor condition; worn out or neglected
Example
They live in a run-down house at the edge of town.
他们住在城市边缘的一座破旧的房子里。
B2 noun /ˈriːteɪlər/

retailer

零售商
Meaning
a person or business that sells goods to consumers rather than to other businesses
Example
The retailer offers discounts on electronic products.
零售商提供电子产品的折扣。
B2 noun rɪˈpʌb.lɪk

republic

共和国
Meaning
A state in which supreme power is held by the people and their elected representatives, with an elected or nominated president rather than a monarch.
Example
A republic is governed by representatives of the people.
共和国由人民的代表治理。
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 verb /rɪˈzɛmbəl/

resemble

像
Meaning
to look like or be similar to something or someone
Example
She resembles her mother in both appearance and mannerisms.
她在外貌和举止上都像她母亲。
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 adjective /ˈruː.mi/

Roomy

宽敞的; 有很多空间的
Meaning
spacious; having a lot of room
Example
The apartment is very roomy with spacious bedrooms.
公寓非常宽敞，拥有宽大的卧室。
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 adjective /rɪˈmuːvəbəl/

removable

可拆卸的
Meaning
able to be removed or taken away
Example
This phone has a removable battery.
这款手机有一块可拆卸的电池。
B2 noun /rɪˈmeɪn.dər/

Remainder

剩余部分; 剩下的东西
Meaning
the part that is left over; what remains after the other parts have been taken away
Example
The remainder of the food was stored in the refrigerator.
剩下的食物被存放在冰箱里。
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 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。
B2 adjective /rɪˈspek.tə.bəl/

Respectable

体面
Meaning
worthy of respect; having good reputation; decent
Example
He comes from a respectable family in the community.
他来自社区一个体面的家庭。
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 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。
B2 noun /reɪk/

Rake

耙子
Meaning
a garden tool with a long handle and prongs for gathering leaves; to gather with a rake
Example
He used a rake to gather the fallen autumn leaves.
他用耙子收集掉落的秋天叶子。
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 /rɪˈsɪp.i.ənt/

Recipient

接收者
Meaning
a person who receives something
Example
She was the recipient of the prestigious award.
她是这个著名奖项的接收者。
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 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 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。
B2 noun /ˈrɛlɪvəns/

relevance

相关性
Meaning
the quality or state of being closely connected or appropriate
Example
The relevance of the information was clear to everyone.
信息的相关性对每个人来说都很清楚。
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 verb /rɪˈzɪst/

resist

抵抗
Meaning
to oppose or fight against; to withstand
Example
He could not resist the temptation.
他无法抵抗诱惑。
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 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。
B2 noun /ˌriːprəˈdʌkʃən/

reproduction

繁殖, 再生产
Meaning
The process of producing offspring; the act of copying or duplicating.
Example
The textbook included a detailed diagram of human reproduction.
课本中包含了人类繁殖的详细图表。
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 /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 /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 adjective /rɪˈspɒn.sɪv/

Responsive

响应的
Meaning
reacting quickly and positively; readily reacting to suggestions or changes
Example
The website is very responsive and loads quickly on all devices.
这个网站非常响应，能快速加载所有设备。
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 /ˌriː.ɪnˈfɔːrs/

reinforce

加固
Meaning
To strengthen or support something with additional material, people, or effort.
Example
The teacher used examples to reinforce the lesson.
老师使用示例来加固这节课。
B2 verb rɪˈzaɪn

resign

辞职
Meaning
Voluntarily leave a job or other position.
Example
Ministers were forced to resign.
部长们被迫辞职。
B2 adjective /ˈrɪtʃ.u.əl/

Ritual

仪式
Meaning
relating to religious or ceremonial practices
Example
The wedding ceremony included many traditional ritual elements.
婚礼仪式包括许多传统的仪式元素。
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 /rɪˈsiː.vər/

Receiver

接收器
Meaning
a person or thing that receives something; the part of a telephone containing the earpiece and mouthpiece
Example
She picked up the receiver to answer the phone call.
她拿起听筒接听电话。
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, 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, 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 noun /ˈraɪət/

Riot

骚乱; 暴乱
Meaning
a violent disturbance of the peace by a crowd; an uncontrolled outburst
Example
The peaceful protest turned into a riot when violence broke out.
和平抗议活动在暴力爆发时变成了骚乱。
B2 noun ˌreɪ.di.oʊ.ækˈtɪv.ə.ti

radioactivity

放射性
Meaning
The emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei.
Example
Radioactivity is used in medical treatments like cancer therapy.
放射性在包括癌症治疗在内的医疗治疗中被用于治疗。
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。