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 rulereinforce 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 floodrouse 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
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