十七、以R开头的核心词汇

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

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 ～

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

rust 锈，铁锈 Iron gathers ～easily

ruthless 无情的，残忍的，冷酷的  a～ enemy