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r开头的大学英语四级单词大全

rabbit rescue rigid race racial rack rack one's brains radar radiation radical radio rag rage raid rail railroad railway rain rainbow rainy raise rally range rank rapid rare rarely rat rate rather rather than ratio rational raw ray reach react reaction read readily reading ready real realise realistic reality realize really realm rear reason reasonable rebel recall receipt receive receiver recent reception recession reckon reckon with reflect reflection recognise recognition recognize recommend recommendation record recorder recover recovery recreation recruit red reduce reduction refer refer to as refine reflexion regard refugee reform refresh refrigerator refusal refuse regarding regardless regardless of region register regret regular regulate regulation reinforce relate relation relationship relative relative to relativity relax release relevant reliable relief relieve religion religious reluctant rely remain remark remarkable remedy remember remind remote removal render renew rent repair repeat repeatedly repetition replace replacement reply report reporter represent representative reproduce republic republican reputation request require requirement rescue research resemble reservation reservoir residence resident resign resist resistance resistant resolution resolve resort resource respect respective respectively respond response responsibility responsible rest restaurant restless restore restrain restrict result resume retail retain retire retreat return reveal revenue reverse review revise revolt revolution revolutionary reward rhythm rib ribbon rice rich ride ride out ridge ridiculous rifle right right away rigid ring ring off ring up riot ripe rise rise above rise to risk rival river road roar roast rob robot rock rocket rod role roll roll in roll up roller romantic roof room root root out rope rope in rose rotten rough round round the clock round up rouse route routine row royal rub rub it in rubber rubbish rude rug ruin rule rule out ruler rumor rumour run across run away with run down run into run off run out run over run riot run through run to run up run up against rural rush rust ride reporter report require reclaim requirement retract resemble rubbish reputation resemblance request resume ridge reward rid repay recommend riddle revenge remains ribbon rash repent regret ready reptile remind radical readily radio real radioactive realistic role radioactivity reality radish realization radium realize radius radiate rust remote ridicule ridiculous rumor receive receipt reception removal remove reason reasonable return review roast regarding regard rally regardless refresh refreshment remark renew rouse remarkable restore rectify reservation reserve ruthless reservoir rag roundabout reply resign rub recover resignation recovery rumble recur racket resent roar reveal resource recipe reciprocal range relay rude rough ray reel roll rational recruit recall result remember resultant relic repel remedy ruin revolt rebellion rely recreation rebel reliable rival raise reliance reliability rise responsibility repeat responsible repetition respond response refer reference row realm revise rent release reconcile rack reflection reflect reed register religion raid religious root resident region residence regulate reside regime react rigid royal royalty recollect right reign regulation regularity ransom regular redeem romance rich romantic resolution regenerative recognize raw recognition rim ripen ripe resolute rapidity red rob resolve render rod reject refuse retail refusal relate relationship relativity relative representative reproach republic representation republican represent resistance resistant resist retain recite rejoice refine refinery renovation renovate restriction repair restrict replace restrain restraint reverse revert reinforce revive reckon room rhythm revenue rank rotate risk record rotary reluctant revolve resort revolution revolutionary rage respect respectable reduce retreat respectful retire respective reproduce refute rarely refuge relevant rot relief rock relieve route routine race rim ring ripe ripen rise risk rival river road roar roast rob robber rabbit robbery race robe racial robot rack rock racket rocket radar rod radiate role radiator roll radical Roman radio romance radioactive romantic radioactivity roof radium room radius root rag rope rage rose raid rot rail rotary railroad rotate rain rotten rainbow rough raincoat round raise roundabout rake rouse rally route random routine range row rank royal rapid royalty rapidity rub rare rubber rarely rubbish rat ruby rate rude rather rug ratio ruin rational rule raw ruler ray rumour razor run reach rural react rush reactor Russia read Russian reader rust readily ruthless reading ready real realistic reality realization realize really realm reap rear reason reasonable rebel rebellion recall receipt receive recent reception recipe reciprocal recite reckon reclaim recognition recognize recollect recommend reconcile record recorder recover recovery recreation recruit rectify red reduce reduction reed reel refer reference refine refinery reflect reflection reform refresh refreshment refrigerator refusal refuse refute regard regarding regardless regenerative regime region register regret regular regularity regulate regulation rehearsal reign reinforce reject rejoice relate relation relationship relative relativity relax relay release relevant reliability reliable reliance relic relief relieve religion religious reluctant rely remain remainder remains remark remarkable remedy remember remind remote removal remove render renew renovate rent repair repay repeat repeatedly repel repent repetition replace replacement reply report reporter represent representation representative reproach reproduce reptile republic republican reputation request require rescue research resemblance resemble resent reservation reserve reservoir residence resident resign resignation resist resistance resistant resolute resolution resolve resort resource respect respectable respectful respective respond response responsibility responsible rest restaurant restless restore restrain restraint restrict restriction result resultant resume retail retain retire retreat reveal revenge revenue reverse review revise revive revolt revolution revolutionary revolve reward rhythm rib ribbon rice rich rid riddle ride ridge ridiculous rifle right

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