单词R1

📘 rabbit

/ˈræbɪt/

n. 兔子

📘 race

/reɪs/

n. 种族；竞赛

v. 赛跑

搭配：human race / race against time

📘 racial

/ˈreɪʃəl/

adj. 种族的，人种的

搭配：racial discrimination / racial equality

📘 rack

/ræk/

n. 搁架，行李架

搭配：luggage rack / drying rack

📘 racket

/ˈrækɪt/

n. 喧闹；球拍

搭配：tennis racket / noise and racket

📘 radar

/ˈreɪdɑːr/

n. 雷达

📘 radial

/ˈreɪdiəl/

adj. 放射的，辐射的

搭配：radial lines / radial tires

📘 radiant

/ˈreɪdiənt/

adj. 发光的；容光焕发的

搭配：radiant heat / radiant smile

📘 radiate

/ˈreɪdieɪt/

v. 辐射；发光；散发

搭配：radiate warmth / radiate energy

📘 radiation

/ˌreɪdiˈeɪʃən/

n. 辐射；放射

搭配：radiation exposure / radiation therapy

📘 radical

/ˈrædɪkəl/

adj. 基本的；激进的

搭配：radical change / radical ideas

📘 radio

/ˈreɪdi.oʊ/

n. 无线电；收音机

📘 radioactive

/ˌreɪdioʊˈæktɪv/

adj. 放射性的

📘 radioactivity

/ˌreɪdioʊækˈtɪvəti/

n. 放射性

📘 radish

/ˈrædɪʃ/

n. 萝卜

📘 radium

/ˈreɪdiəm/

n. 镭

📘 radius

/ˈreɪdiəs/

n. 半径；活动范围

搭配：radius of a circle / service radius

📘 rag

/ræɡ/

n. 抹布；破衣服

📘 rage

/reɪdʒ/

n. 盛怒，狂暴

v. 大怒

搭配：fly into a rage / all the rage

📘 raid

/reɪd/

v. 袭击；搜查

搭配：police raid / military raid

📘 rail

/reɪl/

n. 栏杆；钢轨

搭配：hand rail / railway rail

📘 railroad

/ˈreɪlroʊd/

n. 铁路

📘 railway

/ˈreɪlweɪ/

n. 铁路；铁路公司

📘 rain

/reɪn/

n. 雨

v. 下雨

搭配：heavy rain / rain all day

📘 rainbow

/ˈreɪnboʊ/

n. 彩虹

📘 raincoat

/ˈreɪnkoʊt/

n. 雨衣

📘 rainfall

/ˈreɪn.fɔːl/

n. 降雨量

📘 rainy

/ˈreɪni/

adj. 下雨的

📘 raise

/reɪz/

v. 举起；提高；唤起

搭配：raise your hand / raise awareness

📘 rake

/reɪk/

n. 耙

v. 耙地

📘 rally

/ˈræli/

n. 集会

v. 重整；集合

搭配：rally the troops / stock market rally

📘 ramble

/ˈræmbl/

n. 漫步

v. 漫步，闲聊

搭配：ramble through the park / rambling speech

📘 ranch

/ræntʃ/

n. 牧场

搭配：cattle ranch / ranch house

📘 random

/ˈrændəm/

adj. 胡乱的，随便的

搭配：random choice / random number

📘 range

/reɪndʒ/

n. 射程，范围，一系列

搭配：mountain range / price range

📘 rank

/ræŋk/

n. 军衔，等级

v. 排列

搭配：high rank / rank in order

📘 rapid

/ˈræpɪd/

adj. 快的，急速的

搭配：rapid growth / rapid response

📘 rapidly

/ˈræpɪdli/

adv. 迅速地，急速地

📘 rapture

/ˈræptʃər/

n. 狂喜

搭配：in rapture / music filled with rapture

📘 rare

/rer/

adj. 稀有的，罕见的

搭配：rare gem / rare opportunity

📘 rarely

/ˈrerli/

adv. 难得，少有

搭配：rarely seen / rarely happens

📘 rascal

/ˈræskəl/

n. 无赖，恶棍

📘 rash

/ræʃ/

adj. 轻率的，鲁莽的

搭配：rash decision / act rashly

📘 rat

/ræt/

n. 老鼠，耗子

📘 rate

/reɪt/

n. 比率，速度，费率

搭配：interest rate / exchange rate

📘 rather

/ˈrɑːðər/

adv. 相当，颇；宁愿

搭配：rather good / would rather stay

📘 ratification

/ˌrætɪfɪˈkeɪʃən/

n. 批准，认可

📘 ratify

/ˈrætɪfaɪ/

v. 批准，认可，追认

搭配：ratify a treaty / ratify an agreement

📘 ratio

/ˈreɪʃioʊ/

n. 比，比率

搭配：student-teacher ratio / ratio of success

📘 ration

/ˈræʃən/

n. 配给量

搭配：daily ration / food ration

📘 rational

/ˈræʃənl/

adj. 合理的，有理性的

搭配：rational decision / rational thinking

📘 rattle

/ˈrætəl/

v. 发出嘎吱声

n. 嘎吱声

搭配：rattle the windows / baby rattle

📘 ravage

/ˈrævɪdʒ/

n. 破坏，毁坏

搭配：the ravages of war / ravage the city

📘 raw

/rɔː/

adj. 生的，未加工的

搭配：raw vegetables / raw material

📘 ray

/reɪ/

n. 光线，射线，辐射

搭配：sun ray / X-ray

📘 razor

/ˈreɪzər/

n. 剃须刀

📘 re

/riː/

prep. 关于

📘 reach

/riːtʃ/

v. 到达，伸手，够到

搭配：reach the station / reach out for help

📘 react

/riˈækt/

v. 反应，起反应，反抗

搭配：react to news / react against injustice

📘 reaction

/riˈækʃən/

n. 反应，反动

搭配：chemical reaction / political reaction

📘 reactionary

/riˈækʃəˌneri/

adj. 反动的

搭配：reactionary policies / reactionary forces

📘 reactor

/riˈæktər/

n. 反应堆

搭配：nuclear reactor / chemical reactor

📘 re (adv.)

/riː/

adv. 读，阅读，朗诵

📘 reader

/ˈriːdər/

n. 读者，读本

搭配：avid reader / reading material

📘 readily

/ˈredɪli/

adv. 容易地，乐意地

搭配：readily available / read something readily

📘 reading

/ˈriːdɪŋ/

n. 读书，读数，读本

搭配：reading comprehension / reading session

📘 ready

/ˈredi/

adj. 准备好的，乐意的

搭配：ready for action / ready to help

📘 real

/riːl/

adj. 真的，纯粹的

搭配：real gold / real problem

📘 realism

/ˈriːəlɪzəm/

n. 现实主义，写实主义

搭配：literary realism / artistic realism

📘 realist

/ˈriːəlɪst/

n. 现实主义者

adj. 现实主义的

📘 realistic

/riˈælɪstɪk/

adj. 现实的，实在的

搭配：realistic expectations / realistic goals

📘 reality

/riˈælɪti/

n. 现实，真实性

搭配：face reality / harsh reality

📘 realization

/ˌriːəlaɪˈzeɪʃən/

n. 实现

搭配：realization of dreams / realization of goals

📘 realize

/ˈriːəlaɪz/

v. 认识到，实现，执行

搭配：realize the truth / realize a plan

📘 really

/ˈriːəli/

adv. 真正地，果然

搭配：really good / really happen

📘 realm

/relm/

n. 王国，领域

搭配：the realm of science / the political realm

📘 reap

/riːp/

v. 收割，收获

搭配：reap the benefits / reap a harvest

📘 rear

/rɪər/

n. 后部

adj. 后面的

搭配：rear window / rear entrance

📘 reason

/ˈriːzn/

n. 原因，理由

v. 推论

搭配：give a reason / reason logically

📘 reasonable

/ˈriːzənəbl/

adj. 有理的，讲理的

搭配：reasonable request / reasonable price

📘 reasonably

/ˈriːzənəbli/

adv. 合理地，适当地

搭配：reasonably priced / reasonably sure

📘 reassure

/ˌriːəˈʃʊr/

v. 使放心

搭配：reassure someone / reassure the public

📘 rebate

/ˈriːbeɪt/

n. 回扣，折扣

搭配：tax rebate / rebate on purchase

📘 rebel

/ˈrebl/

v. 起义，反叛

搭配：rebel against authority / rebel troops

📘 rebellion

/rɪˈbɛljən/

n. 叛乱，起义

搭配：suppress a rebellion / rebellion broke out

📘 rebuke

/rɪˈbjuːk/

v. 斥责

搭配：rebuke a child / rebuke publicly

📘 recall

/rɪˈkɔːl/

v. 想到，召回，取消

搭配：recall a memory / recall a product

📘 recede

/rɪˈsiːd/

v. 归还，撤回

搭配：recede into the distance / recede from view

📘 receipt

/rɪˈsiːt/

n. 收到，收据

搭配：keep the receipt / acknowledge receipt of

📘 receive

/rɪˈsiːv/

v. 收到，接待，接见

搭配：receive a letter / receive guests

📘 receiver

/rɪˈsiːvər/

n. 受领人，听筒

搭配：telephone receiver / bankruptcy receiver

📘 recent

/ˈriːsənt/

adj. 近来的，新近的

搭配：recent events / recent studies

📘 recently

/ˈriːsntli/

adv. 近来，最近

搭配：recently arrived / recently published

📘 reception

/rɪˈsɛpʃən/

n. 招待会，欢迎会

搭配：wedding reception / reception of guests

📘 receptionist

/rɪˈsɛpʃənɪst/

n. 接待员

搭配：hotel receptionist / office receptionist

📘 recession

/rɪˈsɛʃən/

n. 衰退

搭配：economic recession / period of recession

📘 recipe

/ˈrɛsɪpi/

n. 菜谱，配方

搭配：chocolate cake recipe / recipe for success

📘 recipient

/rɪˈsɪpiənt/

n. 接受者

搭配：award recipient / grant recipient

📘 reciprocal

/rɪˈsɪprəkəl/

adj. 相互的，互易的

搭配：reciprocal respect / reciprocal agreement

📘 recitation

/ˌrɛsɪˈteɪʃən/

n. 朗诵

搭配：poetry recitation / recitation contest

📘 recite

/rɪˈsaɪt/

v. 背诵，朗诵，讲述

搭配：recite a poem / recite a speech

📘 reckless

/ˈrɛkləs/

adj. 鲁莽的

搭配：reckless driving / reckless behavior

📘 reckon

/ˈrɛkən/

v. 数，计算，认为

搭配：reckon the cost / reckon it will rain

📘 reclaim

/rɪˈkleɪm/

v. 收回，开垦

搭配：reclaim land / reclaim lost property

📘 recognition

/ˌrɛkəɡˈnɪʃən/

n. 认出，承认

搭配：gain recognition / facial recognition

📘 recognize

/ˈrɛkəɡˌnaɪz/

v. 认出，识别，承认

搭配：recognize a friend / recognize achievements

📘 recollect

/ˌrɛkəˈlɛkt/

v. 回忆，追想

搭配：recollect the past / recollect details

📘 recollection

/ˌrɛkəˈlɛkʃən/

n. 回忆

搭配：childhood recollection / fond recollection

📘 recommend

/ˌrɛkəˈmɛnd/

v. 推荐，介绍，劝告

搭配：recommend a book / recommend a course of action

📘 recommendation

/ˌrɛkəmɛnˈdeɪʃən/

n. 推荐(书)

搭配：letter of recommendation / recommendation for improvement

📘 recompense

/ˈrɛkəmˌpɛns/

v. & n. 回报，赔偿

搭配：recompense for damages / recompense effort

📘 reconcile

/ˈrɛkənˌsaɪl/

v. 使和好，调停

搭配：reconcile differences / reconcile with a friend

📘 reconnaissance

/rɪˈkɒnɪsəns/

n. 探索，勘查

搭配：military reconnaissance / aerial reconnaissance

📘 record

/rɪˈkɔːrd/

v. 记录，录音

n. 记录

搭配：record a meeting / set a new record

📘 recorder

/rɪˈkɔːrdər/

n. 记录员，录音机

搭配：video recorder / court recorder

📘 recourse

/rɪˈkɔːrs/

n. 求助

搭配：have recourse to law / last recourse

📘 recover

/rɪˈkʌvər/

v. 寻回，恢复，复原

搭配：recover lost items / recover from illness

📘 recovery

/rɪˈkʌvəri/

n. 寻回，恢复

搭配：economic recovery / speedy recovery

📘 recreation

/ˌrɛkrɪˈeɪʃən/

n. 消遣，文娱活动

搭配：outdoor recreation / recreational activities

📘 recruit

/rɪˈkruːt/

v. 招募，征兵

搭配：recruit new members / recruit soldiers

📘 recruitment

/rɪˈkruːtmənt/

n. 招募

搭配：staff recruitment / recruitment campaign

📘 rectangle

/ˈrɛktæŋɡl/

n. 长方形，矩形

搭配：draw a rectangle / rectangular shape

📘 rectification

/ˌrɛktɪfɪˈkeɪʃən/

n. 纠正

搭配：rectification of mistakes / error rectification

📘 rectify

/ˈrɛktɪfaɪ/

v. 纠正，订正

搭配：rectify an error / rectify a situation

📘 recur

/rɪˈkɜːr/

v. 再发生，复发

搭配：symptoms recur / problems recur

📘 recurrence

/rɪˈkʌrəns/

n. 再发生

搭配：disease recurrence / recurrence of events

📘 red

/rɛd/

adj. 红的

n. 红色

搭配：red apple / stop at the red light

📘 redeem

/rɪˈdiːm/

v. 买回，赎回

搭配：redeem a coupon / redeem a promise

📘 redound

/rɪˈdaʊnd/

v. 增加，促进

搭配：redound to the benefit / actions that redound to fame

📘 reduce

/rɪˈduːs/

v. 减少，贬为

搭配：reduce costs / reduce a fraction

📘 reduction

/rɪˈdʌkʃən/

n. 减少，缩减

搭配：price reduction / reduction of speed

📘 reed

/riːd/

n. 芦苇，芦笛

搭配：a bed of reeds / reed instrument

📘 reef

/riːf/

n. 礁石

搭配：coral reef / navigate the reef

📘 reel

/riːl/

n. 卷，线轴

v. 卷绕

搭配：fishing reel / reel in the line

📘 reexport

/ˌriːɪkˈspɔːrt/

v. 再出口

搭配：reexport goods / reexport to another country

📘 refer

/rɪˈfɜːr/

v. 查阅，提及

搭配：refer to a book / refer to previous studies

📘 referee

/ˌrɛfəˈriː/

n. 裁判员

搭配：soccer referee / referee a match

📘 reference

/ˈrɛfərəns/

n. 参考(书)，推荐书

搭配：reference book / provide a reference

📘 referent

/ˈrɛfərənt/

n. 被谈到的事

搭配：the referent of a pronoun / linguistic referent

📘 refine

/rɪˈfaɪn/

v. 精炼，精制

搭配：refine oil / refine skills

📘 refined

/rɪˈfaɪnd/

adj. 精炼的，精致的

搭配：refined sugar / refined manners

📘 refinement

/rɪˈfaɪnmənt/

n. 精炼

搭配：refinement of technique / social refinement

📘 refinery

/rɪˈfaɪnəri/

n. 精炼厂

搭配：oil refinery / sugar refinery

📘 reflect

/rɪˈflɛkt/

v. 反射，反映，反省

搭配：reflect light / reflect on mistakes

📘 reflection

/rɪˈflɛkʃən/

n. 反射，映像，反思

搭配：mirror reflection / deep reflection

📘 reform

/rɪˈfɔːrm/

v. & n. 改革，改造

搭配：educational reform / reform the system

📘 refrain

/rɪˈfreɪn/

v. 抑制

搭配：refrain from smoking / refrain from comment

📘 refresh

/rɪˈfrɛʃ/

v. 使清醒，使振作

搭配：refresh the mind / refresh a webpage

📘 refreshment

/rɪˈfrɛʃmənt/

n. 茶点，饮料

搭配：light refreshments / coffee and refreshments

📘 refrigerator

/rɪˈfrɪdʒəˌreɪtər/

n. 冰箱

搭配：put food in the refrigerator / keep chilled in the refrigerator