专业英语四级

racecourse racing racist rack radar radiate radically radioactivity radius rage ragged raid rainproof raise raisin rally ram ramp ranch random range ransom rape rare rarely rarity rascal rash raspberry rate ratio ration rattlesnake ravage raven raw reaction readily realistic realize realm reap reappear rear rearrange reasonable reasoning rebel rebirth rebuff rebuke recall recede receptive recession recipe reciprocal recitation reckless reckon recognition recommendation reconcile reconnaissance recover recruit rectangular reddish redeem redevelopment reduce reduction reed reef reel referee reference refine reflect reflex reform refrain refresh refuge refute regain regardless regency regime regiment region registration regretful regrettable regulate rehabilitate rehearsal rehouse reign reinforce reject rejection rejoice relativity relaxation release relevant reliable relic relief reluctant rely remains remark remarkable remedy remember remind reminder reminiscence remote removal renaissance render renew renounce renovate renowned rental rep repairable repay repeal repeatedly repel repent repertory repetition replace replay representative reprint reproach reproduce reputation requirement resemble resent resentment reservoir residence residual resign resist resistance resistant resonance resort respectable respectful respecting respective respiration response responsibility rest restless restore restrain restrictive result resume retail retina retirement retort retreat reunite reveal revealing revenge revenue reverse revise revitalize revive revolt revolve reward rhetoric rheumatism rhino rhythm rib ribbon rich ridge ridiculous rifle rigid rim rinse riot rip ripple rise risk ritual rival road roadside roadway roam roar robbery robe robin rocky rod Roman romantic Rome rosy rotate rough roughly route routine rower royal rub ruby rug rugged rumour runaway runway rural rust rustic ruthless rye