考研英语单词量大，对于同学们来说记忆起来比较吃力。在此我们推荐采用反复记忆法。比如每天晚上看1-2页，把自己已经记住的暂时划出来，第二天一定要抽时间把前天背过的单词再复习一遍。然后再分别过3天、7天、15天、30天各复习一遍。如此坚持下来，到考前一周时你会发现考研英语词汇书上的大部分单词都已经熟悉了。另外，在历年真题中遇到的词汇也要熟记，双管齐下，一定能快速提高考研英语成绩!新东方在线小编特别整理【2015考研英语核心词汇笔记——R】，赶快来收藏吧！
rack 架子，支架，搁架 a clothes ～
radiate(光，热等)辐射，发射 The sun ～s light and heat
radical 根本的，基本的a ～ error
rake (长柄)耙，耙机，耙状物 an oyster ～
rally 集合，团结 ～ public opinion in favor of price controls
random胡乱的，任意的，随意的，a ～talk
range 排，行，一系列 a ～ of buildings
rank排，行，列 the ～s of great pines
rate 比率，率 Velocity is the ～ of change of distance with respect to time
reap 收割，收获 ～ the rice in the field
rear 后部，后边，背部a garden at the ～ of the house
recall 回忆，回想I ～ seeing a poster on his wall
reciprocal 相互的，交互的 ～ respect
reckon 计算，数 ～ the days till Christmas
reclaim 使改过，改造 ～ former criminals
recognize认出，识别 Dogs ～ people by their smell
recollect 回忆，想起 I am trying to ～ a forgotten address
recommend 推荐，称赞 He ～ed me for the post of headmaster
reconcile 使和解，使和好After each fight they ate soon ～d
recover 追回，重新得到The police ～ed stolen watch
recruit 招募(新兵)招收(新成员)try to ～300 men in two days
rectify纠正，改正，矫正 ～ the mistakes in a bill
refer 提到，谈到 Does the remark ～ to me
refine 提炼～ crude oil into various petroleum products
reform 改革，改良 He spend years trying to ～ the world
refresh 使恢复活力，使振作精神 Sleep ～es the body
refute驳斥，驳倒 The argument cannot be d at the moments
regard 看待，认为，对待 I ～ the matter in this light
regenerate 使恢复，使复兴，再生The human body can ～ hair, nails, etc
regulate管理，控制，为……制订规章 The policeman ～d traffic at the intersection
reign 为王，统治In England ,the sovereign ～s but does not rule
reinforce 增援，加强 They hope to ～ their domination in these countries
rejoice 使感到高兴，使充满喜悦 The whole nation ～ over the victory
relate 讲述，叙述 She ～d the experience of a Chinese girl in the United States
relay 接力传送，传递 ～ a message
release 排放，释出 ～ a bomb from an aircraft
relevant 有关的，切题的I don’t think his remarks are ～ to our discussions
relieve 缓解，减轻，解除He smoked frequently to ～ nervous tension
remark 评论，议论 (on, upon) It would be rude to ～ upon her appearance
remedy 治疗，治疗法，药品 a folk ～
remember 记得，回想起，不忘记 I ～ reading that boo when I was eight
remind 提醒，使想起 I ～ed him of his promise
remove 移开，挪走 ～ one’s eyes from the picture
render 使得，使成为 The blow ～ed him unconscious
renew 更新，恢复，更换We feel totally ～ed in body ,mind ,and spirit
renovate 修复，整修 ～ a two storey building
repel 击退，抵制，拒绝，排斥 ～ the enemy
repent 后悔，懊悔 ～of a thoughtless act
replace 代替，取代，更换The calculator is rapidly replacing the abacus
represent 代表，象征To many local people these castles ～ a hundred years of foreign domination
reproach 责备，指责，斥责 mute ～
rescue 营救，救援，搭救 ～ hostages held by the terrorists
resent 怨恨 ～ those unfair comments
reserve 保留，储备 We’ll the ticket for you till tomorrow noon
resign 辞职，引退 He ～ed from his post
resolve 决定，打定注意要 Have you ～d where to go next?
resort 求助，凭借，诉诸 ～ to sb for help
restore 恢复，修复，康复 The temple has been ～d out of all recognition
restrain 抑制，遏止 ～ one’s anger
resume 重新开始，继续 When I quit golf, I ～d writing
retain 保留，保持 ～the right to reply
reveal 揭示，揭露 I promise never to ～ his secret
revenge 报仇，复仇Man may destroy the balance of nature ,but ,from time to time, nature takes a terrible ～
reverse 相反的，颠倒的，倒退的a ～ dictionary
revise 修订，校订 ～ a dictionary
revive 苏醒，复苏 He is dead and never will ～
ridiculous 可笑的，荒唐的，荒谬的 In this department of English girls outnumber boys in a ～ ratio
rigid 刚性的，坚硬的 a ～ piece of plastic
ripe 成熟的，时机成熟的 a ～ cluster of grapes
roll 滚动，滚落 Rocks were ～ing down the hillside
rot 腐烂，腐坏，腐朽，腐败，腐化Meat may ～ if it is not refrigerated
roundabout 绕道的，绕圈子的，不直接的 The car has to take a ～ course to avoid the flood
rouse 惊起 The boat ～d wild ducks to flight
row 吵闹，争吵 What’s all this ～ about?
rub 擦，摩擦 He rubbed his eyes
rush 冲，奔 ～ into the room
rust 锈，铁锈 Iron gathers ～easily
ruthless 无情的，残忍的，冷酷的 a～ enemy