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 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 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 /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 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 /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 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 /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 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 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 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 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 /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, 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/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 /rɛlm/

realm

Meaning

A kingdom or domain; a field or area of activity or interest.

Example

He is well known in the realm of science.

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 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 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 /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 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 /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 ˌrɛvəˈluːʃən

revolution

革命

Meaning

A forcible overthrow of a government or social order, in favor of a new system.

Example

The story is set during the French Revolution.

故事发生在法国大革命期间。

B2 noun /ˈrɛlɪvənsi/

relevancy

ruin

毁灭

Meaning

to destroy or damage beyond repair; to spoil completely

Example

Heavy rain could ruin our picnic plans.

大雨可能会毁掉我们的野餐计划。

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 /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 /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 /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 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 /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 /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 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 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 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 /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 /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 /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 /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 verb /rɪˈkʌvərɪŋ/

recovering

恢复

Meaning

the process of getting better after illness, loss, or difficulty

Example

She is still recovering from the flu.

她还在从流感中恢复。

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 /ræʃ/

rash

草率, 鲁莽

Meaning

Acting quickly without careful consideration; reckless.

Example

It was a rash decision to invest without research.

没有研究就投资是一个鲁莽的决定。

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 /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 /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 /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 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 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 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 /roʊˈteɪʃən/

Rotation

旋转; 转动; 自转

Meaning

the action of rotating around an axis or center; a single turn

Example

The Earth's rotation takes 24 hours to complete.

地球的自转需要24小时才能完成。

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 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 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 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 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 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 /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 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 /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 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 /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。

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 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 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 /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 /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 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 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 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 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 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 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 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 /rɪˈsaɪt/

recite

背诵

Meaning

To say aloud something learned, especially poetry or text, from memory.

Example

The child recited a poem in front of the class.

孩子在班级前朗诵了一首诗。

B2 verb /rɪˈkɜːr/

recur

Meaning

to happen again, especially repeatedly or at regular intervals

Example

The headache tends to recur every few weeks.

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 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 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 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 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 /ˈrendər/

render

提供

Meaning

to provide or give; to make or cause to become

Example

The artist renders the scene beautifully.

艺术家美丽地渲染了场景。

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 /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 noun /ˈrʊki/

rookie

菜鸟

Meaning

a person who is new to an activity or organization; a beginner

Example

The rookie policeman made a few mistakes on his first day.

新警察在第一天犯了几次错误。

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 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 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 /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 /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 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 /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 /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 /ˈrɔɪəlti/

royalty

皇室成员 / 特许权使用费 (作者收入)

Meaning

Members of a royal family or payment made to the owner of a patent, copyright, or natural resource.

Example

The author receives a royalty for every book sold.

作者从每本卖出的书中获得特许权使用费。

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 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 /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 /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 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 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 /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 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 /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 /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 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 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 /rɪˈliːv/

relieve

Meaning

to make pain, distress, or difficulty less severe or serious

Example

The medicine helped relieve his headache.

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 /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 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 adverb /ruːˈtiːnli/

routinely

定期地

Meaning

as part of a regular procedure; habitually

Example

The staff routinely checks the equipment for safety.

工作人员定期检查设备的安全性。

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 /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 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 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 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 /rɪˈmeɪnz/

remains

残留物

Meaning

the parts, pieces, or substances that are left after the rest has been used or removed

Example

The remains of the meal were left on the table.

餐后剩余的食物被留在桌上。

B2 adjective /rɪˈzɪstənt/

resistant

抗性

Meaning

not affected by something; able to oppose or withstand

Example

This fabric is resistant to water and stains.

这块布料对水和污渍具有抗性。

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 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 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。