C1 noun /roʊz ˈber.i/

Rose berry

玫瑰莓

Meaning

a type of berry with rose-like characteristics or flavor

Example

The rose berry has a delicate floral taste that reminds me of roses.

玫瑰莓具有细腻的花香口感，让我想起玫瑰花。

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。

C1 verb /ˈrɛzəneɪt/

resonate

共鸣

Meaning

To produce or be filled with a deep, full, and reverberating sound; to evoke a feeling or memory.

Example

Her words resonated with the audience.

她的话在听众中产生了共鸣。

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。

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。

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。

C1 adjective /rɪˈɡrɛtfəl/

regretful

遗憾的

Meaning

feeling or showing sadness or disappointment about something that has happened or been done

Example

She gave him a regretful smile as she turned away.

她转身时给了他一个遗憾的微笑。

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。

A2 verb /rɪˈmeɪn/

remain

留下

Meaning

to stay in the same place; to continue to exist

Example

Only a few guests remain at the party.

只有少数客人留在派对上。

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。

C2 verb /ˌriː.kəˈpɪtʃ.ə.leɪt/

recapitulate

概述

Meaning

To summarize and state again the main points of something.

Example

The teacher asked the student to recapitulate the lesson.

老师让学生复述这堂课。

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 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.

A2 verb /rɪˈpiːt/

repeat

重复

Meaning

to say or do something again

Example

Could you please repeat what you just said?

你能重复一下你刚才说的吗？

C1 verb /ˈrætɪfaɪ/

ratify

批准

Meaning

to approve or confirm something officially, usually by law or formal consent

Example

The government ratified the trade agreement.

政府批准了贸易协议。

C1 verb/noun /ˈrɛlɪʃ/

relish

享受 / 调味料

Meaning

to greatly enjoy; also a condiment or sauce

Example

She relished the opportunity to travel abroad.

她很高兴有机会出国旅行。

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。

A2 noun /reɪs/

race

比赛

Meaning

a competition of speed, or a group of people with similar characteristics

Example

The race was very exciting, with many competitors.

比赛非常激动人心，有许多参赛者。

B1 preposition /rɪˈɡɑrdɪŋ/

regarding

关于

Meaning

concerning or relating to

Example

The decision regarding the meeting will be made tomorrow.

关于会议的决定将在明天做出。

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 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。

B1 noun rɪˈsɜː.tʃəz

researchers

研究人员

Meaning

People who study and investigate to discover new information or facts.

Example

Researchers are working on innovative solutions.

研究人员正在研究创新解决方案。

C1 noun /rɪˈflɛktər/

reflector

反射器

Meaning

A surface or device that reflects light, heat, or sound, often used to direct beams or improve visibility.

Example

The cyclist attached a red reflector to the back of his bike for safety.

骑自行车的人将一个红色反射器固定在他自行车的后面以确保安全。

A2 adverb /ˈriː.sənt.li/

Recently

registration

注册

Meaning

the action or process of enrolling or signing up for something

Example

The registration for the event will close tomorrow.

活动的注册将在明天关闭。

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 /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。

C2 noun /ˈrɪɡməˌroʊl/

rigmarole

麻烦事

Meaning

a long, complicated, and confusing process or story

Example

Getting a visa was such a rigmarole of paperwork and interviews.

获得签证是一个繁琐的文书工作和面试过程。

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。

A2 noun /rent/

Rent

幸福

Meaning

a payment made periodically by a tenant to a landlord for use of property

Example

The monthly rent for this apartment is quite affordable.

当她获得奖项时，她无法掩饰自己的幸福。

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 adjective /ˈruːnɪk/

runic

与符文相关

Meaning

relating to or consisting of runes; mysterious or magical

Example

The old stone had strange runic carvings on it.

这块古老的石头上有奇怪的符文雕刻。

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 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。

C1 noun /rɪˈpɑːzɪtɔːri/

repository

仓库

Meaning

a place where things are stored or kept for safekeeping

Example

The library serves as a repository of knowledge.

图书馆作为知识的仓库。

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。

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。

B1 adjective /ˈrel.ə.tɪv/

Relative

相对的

Meaning

considered in comparison to something else; not absolute; comparative

Example

The cost of living is relative to your income level.

生活成本相对于你的收入水平。

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。

C2 noun /rɪˈkɒɡnɪzəns/

recognizance

法律义务

Meaning

A legal obligation or bond entered into before a court, especially to ensure future appearance.

Example

He was released on his own recognizance.

他在自己的法律义务下被释放。

C1 adjective /rɪˈpɛlənt/

repellent

驱虫剂

Meaning

Able to drive away something, especially insects or unpleasant things; causing disgust or distaste.

Example

This cream is highly effective as a mosquito repellent.

这款乳霜在防蚊方面非常有效。

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 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。

A2 verb /rɪˈtɜːrn/

return

返回

Meaning

to come or go back to a place; to give back

Example

I will return home tomorrow.

我明天会回家。

B1 noun ˌrekəɡˈnɪʃn

recognition

认可

Meaning

Acknowledgment of the existence, validity, or legality of something; appreciation or acclaim for an achievement, service, or ability.

Example

He earned recognition after years of struggle.

他在多年奋斗后获得了认可。

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。

C1 adjective /rɪˈvoʊltɪŋ/

revolting

令人作呕的

Meaning

extremely unpleasant or disgusting

Example

The smell of the garbage was revolting.

垃圾的气味令人作呕。

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。

C1 verb /ˌrekəˈlekt/

recollect

回忆

Meaning

to remember something; to recall from memory

Example

I can't recollect where I put my keys.

我记不起来我把钥匙放在哪里了。

C2 noun /ˌrɛprəˈbeɪʃən/

reprobation

Meaning

Strong disapproval or condemnation; rejection by God as beyond salvation.

Example

The teacher’s face showed clear reprobation at the student’s rude remark.

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。

C2 verb /rɛnd/

rend

撕裂

Meaning

to tear something apart violently or forcefully

Example

The explosion rent the air with a deafening noise.

爆炸以震耳欲聋的声音撕裂了空气。

C1 verb /ˈræʃənəlaɪz/

rationalize

理性化

Meaning

to attempt to explain or justify behavior or decisions with logical reasons, even if they are not true or appropriate

Example

She tried to rationalize her lateness by blaming the traffic.

她试图通过怪罪交通来为自己的迟到辩解。

C1 noun /rɪˈdʌn.dəns/

Redundance

冗余

Meaning

the state of being not or no longer needed or useful; superfluous repetition of information

Example

The document contained redundance that made it unnecessarily long.

该文档包含冗余内容，使其变得不必要地长。

C1 adjective /ˈrɔːkəs/

raucous

喧闹的, 吵杂的

Meaning

loud, harsh, and unpleasant sound or behavior

Example

The crowd became raucous after the team scored.

当球队进球后，人群变得喧闹起来。

C2 noun /rɪˈpæst/

repast

宴席

Meaning

A meal or the food eaten during a meal.

Example

They enjoyed a delicious repast by the riverside.

他们在河边享用了美味的宴席。

A2 adverb /ˈrɛə(r)li/

rarely

很少

Meaning

not often, infrequently

Example

She rarely eats sweets because of her diet.

她因为饮食限制，很少吃糖果。

C1 verb /ˈrʌm.ɪdʒ/

rummage

杂乱地翻找

Meaning

to search through something in a disorderly way

Example

He rummaged through the drawer for his keys.

他在抽屉里翻找钥匙。

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。

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。

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。

C1 noun /rʌk/

Ruck

推搡; 混乱的人群

Meaning

a situation where a crowd of people are pushing against each other; a disorderly crowd

Example

There was a ruck at the football match.

足球比赛中发生了推搡。

C2 adjective /rəˈkoʊkoʊ/

rococo

洛可可

Meaning

characterized by ornate detail and elaborate decoration, especially in art, architecture, and design

Example

The palace was decorated in a lavish rococo style.

宫殿以奢华的洛可可风格装饰。

C1 noun /ˈrez.ɪ.dənt ˈkəʊ.ɔː.dɪ.neɪ.tər/

resident coordinator

驻地协调员

Meaning

A local administrator or official who coordinates activities in a specific region.

Example

The resident coordinator welcomed all representatives.

驻地协调员欢迎所有代表。

C2 adjective /ˌriːkruːˈdɛsənt/

recrudescent

重新爆发

Meaning

reviving or breaking out again after a period of abatement

Example

Recrudescent tensions threatened the fragile ceasefire.

重新爆发的紧张局势威胁到脆弱的停火协议。

A2 noun /rɪˈzʌlt/

result

结果

Meaning

a consequence, effect, or outcome of something

Example

The result of the test was excellent.

测试的结果是优秀的。

B1 noun /rɪˈpleɪsmənt/

replacement

替代

Meaning

the act of substituting one thing or person for another

Example

She got a replacement for her damaged phone.

她为她损坏的手机找到了一个替代品。

A2 verb /ˈrɛkəɡnaɪz/

recognize

Meaning

To identify someone or something seen before; to acknowledge or accept.

Example

She did not recognize him in the crowd.

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 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。

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 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。

C1 verb /rɪˈdrɛs/

redress

纠正

Meaning

to set right, remedy, or compensate for a wrong or grievance

Example

The company promised to redress the complaints of its customers.

公司承诺纠正客户的投诉。

C1 verb /riˈɪtəreɪt/

reiterate

重申

Meaning

To say something again or repeatedly for emphasis or clarity.

Example

The teacher reiterated the importance of honesty.

老师重申了诚实的重要性。

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。

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。

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。

C2 noun /rɪˈpruːf/

reproof

指责，谴责

Meaning

An expression of blame or disapproval.

Example

His careless words drew a sharp reproof from his mother.

他不小心的话语引来了母亲的严厉指责。

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。

C1 noun /rɪˈdʒɔɪsɪŋ/

rejoicing

欢庆

Meaning

The action of showing great joy or happiness

Example

There was much rejoicing after the victory.

胜利之后有很多欢庆。

C1 noun /rɔ ˈtɜrmərɪk/

Raw Turmeric

生姜黄

Meaning

fresh unprocessed root of the turmeric plant used as a spice and medicine

Example

Grate raw turmeric into the curry for authentic flavor.

将生姜黄磨成粉加入咖喱中，以增加正宗的味道。

C2 verb /rɪˈpruːv/

reprove

批评

Meaning

to criticize or correct someone gently or disapprove of their actions

Example

The teacher reproved the student for being late.

老师因学生迟到而批评了他。

C2 verb /ˌriː.kəˈnɔɪ.tər/

reconnoiter

侦察

Meaning

to make a preliminary inspection or survey, especially of an area for military or strategic purposes

Example

The soldiers reconnoitered the area before advancing.

士兵们在前进前侦察了该区域。

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。

C1 noun /rɑk sɔlt/

Rock Salt

岩盐

Meaning

natural salt crystals formed from evaporated ancient seas; unrefined salt

Example

Rock salt is considered healthier than table salt.

岩盐被认为比食盐更健康。

C1 verb /ˈrek.ən.saɪl/

reconcile

调解, 和解, 协调

Meaning

Restore friendly relations between; cause to coexist in harmony.

Example

They tried to reconcile their differences through open communication.

他们通过开放的沟通尝试调解彼此的分歧。

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。

C2 verb /raɪv/

rive

撕裂

Meaning

to tear apart violently

Example

The earthquake rived the ground in several places.

地震在几个地方撕裂了地面。

C1 noun /ˌrætɪfɪˈkeɪʃən/

Ratification

批准

Meaning

the action of signing or giving formal consent to a treaty, contract, or agreement

Example

The treaty required ratification by both countries' parliaments.

该条约要求两国议会的批准。

C1 adjective /rɪˈtæl.i.ə.tɔːr.i/

retaliatory

报复性

Meaning

Taking action in response to another's action, characterized as punitive, revengeful, or counteractive.

Example

The country imposed retaliatory tariffs in response to trade sanctions.

该国对贸易制裁实施了报复性关税。

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。

C1 noun /ˈrep.lɪ.kə/

Replica

复制品

Meaning

an exact copy or model of something, especially one on a smaller scale

Example

The museum displayed a perfect replica of the ancient statue.

博物馆展示了古代雕像的完美复制品。

B1 adjective /rɪˈmoʊt/

remote

远程

Meaning

Situated far from the main centers of population; distant.

Example

They stayed in a remote village during their trip.

他们在旅行期间住在一个偏远的村庄。

C2 noun /ruːθ/

ruth

同情

Meaning

A feeling of pity, compassion, or sorrow.

Example

He felt no ruth for the people he had betrayed.

他对他曾经背叛的人没有任何同情。

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 noun /rɪˈkɜr.əns/

Recurrence

复发

Meaning

the fact of something happening again; an instance of something happening again

Example

The doctor was concerned about the recurrence of the patient's symptoms.

医生对病人症状的复发感到担忧。

A2 noun /rɪˈlɪdʒ.ən/

religion

宗教

Meaning

a system of faith and worship involving belief in a higher power

Example

Freedom of religion is a fundamental human right.

宗教自由是基本人权。

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。

C2 noun /ˈriːdʒənt/

regent

摄政王

Meaning

a person who rules in place of a monarch when the monarch is absent or too young

Example

The prince acted as regent until the king came of age.

王子担任摄政直到国王成年。

C1 verb /rɪˈsɪprəˌkeɪt/

reciprocate

回应

Meaning

To respond to an action or gesture by making a corresponding one.

Example

She smiled at him, and he reciprocated with a warm hug.

她对他微笑，他以温暖的拥抱回应。

A2 verb /riːtʃ/

reach

到达

Meaning

to arrive at a destination; to extend one's arm to touch something

Example

We will reach the station in ten minutes.

我们将在十分钟内到达车站。

C1 noun /ˈrem.nənt/

Remnant

残余

Meaning

a small remaining quantity of something; a piece of cloth left over after the main piece has been used

Example

Only a remnant of the ancient wall remains.

古老的墙只剩下残余。

C2 verb /ˈrævəl/

ravel

缠绕 / 解开

Meaning

to tangle or complicate; to untangle or unravel depending on context

Example

She began to ravel the loose threads of the sweater.

她开始解开毛衣上的松线。

C1 noun /rɪˈvɜːrʒən/

reversion

逆转

Meaning

the act of returning to a previous state or condition

Example

The new policy marked a reversion to traditional methods.

新政策标志着回归传统方法。

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。

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。

C1 noun /rɪˈsaɪtl/

recital

独奏会

Meaning

A performance of music, dance, or poetry, usually by a soloist.

Example

She gave a piano recital at the concert hall.

她在音乐会中举办了钢琴独奏会。

C1 adjective /rɪˈsɛsɪv/

recessive

隐性

Meaning

In genetics, relating to a trait that is expressed only when two copies of the gene are present.

Example

Blue eye color is often a recessive trait.

蓝色眼睛的颜色通常是隐性特征。

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 /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。

C2 noun /red ˌəʊ.liˈæn.dər/

Red oleander

红色夹竹桃

Meaning

a poisonous flowering shrub with bright red or pink flowers

Example

The red oleander blooms throughout the summer months.

红色夹竹桃在夏季的几个月中盛开。

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 adjective /ˈræɡ.ɪd/

Ragged

破旧的; 破损的; 破烂的

Meaning

torn; tattered; frayed; shabby

Example

The homeless man wore ragged clothes.

无家可归的人穿着破旧的衣服。

C2 noun /ˈruː.mɪ.nənt/

ruminant

反刍动物

Meaning

a cud-chewing mammal, such as a cow or sheep

Example

Cows are ruminants that chew cud.

牛是反刍动物，它们会反复咀嚼食物。

C2 verb /ˈreə.rɪ.faɪ/

rarefy

稀释, 精炼

Meaning

To make something less dense or more refined.

Example

The air rarefies as you climb higher into the mountains.

随着你爬得更高，空气变得更稀薄。

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。

C2 noun, adjective, verb /ˈrɛprəˌbeɪt/

reprobate

Meaning

A person of immoral character; to express disapproval of; morally corrupt.

Example

The old reprobate spent his days gambling and drinking.

A2 verb /ˈriːəlaɪz/

realize

意识到

Meaning

to become aware of; to understand clearly; to achieve or make real

Example

I didn't realize how late it was until I checked the clock.

我没意识到已经这么晚了，直到我看了钟。

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 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。