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 /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 /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 noun ˈrɛstɪŋ pleɪs

resting place

安息地

Meaning

A place where someone or something rests, especially a burial site.

Example

The resting place of the martyrs is near the river.

烈士的安息地靠近河流。

B2 verb /ˌriːprəˈdjuːs/

reproduce

再生产, 繁殖

Meaning

To make a copy of something; to generate offspring.

Example

Many animals reproduce rapidly in favorable conditions.

许多动物在有利的条件下快速繁殖。

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, 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 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 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 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 /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 /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 /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 /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 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 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 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 /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 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 verb /rɪˈvɜːrt/

revert

恢复

Meaning

to return to a previous state, condition, or practice

Example

The system will revert to its original settings after the update.

系统将在更新后恢复到原始设置。

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 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 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 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 /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 /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 adjective /ˈræp.ɪd/

Rapid

快速的；迅速的；急速的；

Meaning

happening in a short time or at a fast pace

Example

The rapid growth of technology has changed our daily lives.

技术的快速增长改变了我们的日常生活。

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 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。

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 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 verb /rɪˈnuː/

renew

Meaning

to make something new again or extend its period of validity

Example

I need to renew my passport before traveling.

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。

B2 verb /ˈraɪpən/

ripen

幸福

Meaning

to become or make something ready to eat or fully developed

Example

The bananas ripened quickly in the warm weather.

当她收到奖项时，她无法隐藏自己的幸福。

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 /ˈrɛlɪvənsi/

relevancy

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 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 /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 adjective /ˈrɪɡ.ər.əs/

rigorous

严格

Meaning

Extremely thorough and demanding in analysis or practice.

Example

A rigorous study plan helps students achieve better results.

严格的学习计划帮助学生取得更好的成绩。

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 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 /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 noun, verb /ræmp/

ramp

坡道

Meaning

a sloping surface joining two different levels; as a verb, to increase or rise sharply

Example

The car drove up the ramp into the parking garage.

汽车驶上了停车场的坡道。

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 /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.

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 adjective /ˈruː.tɪd/

Rooted

根深蒂固的

Meaning

deeply established; firmly fixed

Example

His beliefs are deeply rooted in tradition.

他的信念深深扎根于传统。

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。

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 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/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 /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 /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.

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 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 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 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 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 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 noun /ˈrɛfjuːdʒ/

refuge

避难所

Meaning

a place that provides shelter or protection from danger or distress

Example

The villagers took refuge in the temple during the storm.

村民们在风暴期间躲进了寺庙避难。

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 /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 /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 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 /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。

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。

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 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 /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 /ˈrɛnəˌsɑːns/

renaissance

文艺复兴

Meaning

a revival of art, culture, or learning; a period of renewed interest and growth

Example

The city experienced a cultural renaissance during the 1990s.

这座城市在1990年代经历了文化复兴。

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 /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 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 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 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 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 verb /ˌriːˈbɪld/

rebuild

重建

Meaning

to build something again after it has been damaged or destroyed

Example

The villagers worked together to rebuild the bridge after the flood.

村民们一起努力，在洪水后重建了桥梁。

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。

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 /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 /ˈrep.taɪl/

Reptile

爬行动物

Meaning

a cold-blooded animal with scaly skin that lays eggs on land

Example

The lizard is a common reptile found in gardens.

蜥蜴是一种常见的爬行动物，常见于花园中。

B2 verb rɪˈstɔːr

restore

恢复

Meaning

To bring back to a former or original state; to reinstate.

Example

Restoring the tradition of student politics is necessary.

恢复学生政治传统是必要的。

B2 adjective /ˈrɪdʒ.ɪd/

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 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 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 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 /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 /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 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。

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 verb /ˈreɪn.dʒɪŋ/

ranging

波动

Meaning

Extending or varying between limits.

Example

The temperatures are ranging from 15 to 30 degrees this week.

本周气温在15到30度之间波动。

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 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 /ˈreɪ.dɑːr/

Radar

雷达

Meaning

a system for detecting the presence, direction, distance of aircraft, ships by sending out radio waves

Example

The radar detected an unknown aircraft approaching the base.

雷达探测到一架未知的飞机接近基地。

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 /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 adverb /ˈræp.ɪd.li/

Rapidly

快速地; 迅速

Meaning

at a fast speed; quickly

Example

The company is rapidly expanding into new markets.

公司正在迅速拓展新市场。

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 /ˈrɛlɪvəns/

relevance

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 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 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 /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 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 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 verb /rɪˈtriːt/

retreat

撤退

Meaning

to move back or withdraw from a position or situation

Example

The soldiers had to retreat after losing the battle.

士兵们在失去战斗后不得不撤退。

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 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 /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 /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, 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 /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 /ˈreɪn.dʒər/

ranger

巡护员

Meaning

A person responsible for protecting and managing forests, parks, or natural areas.

Example

The park ranger guided the tourists through the forest trail.

公园巡护员带领游客走过森林小道。

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 /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 /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 /rʌʃ/

Rush

匆忙; 急促

Meaning

a sudden quick movement toward something; a period of great activity or demand; hurry

Example

There was a rush to buy tickets for the concert.

为购买音乐会门票而匆忙。

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。

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 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。