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• rap
• recline
• raven
• resurface
• rebuild
• rocker
• rem
• regiment
• raffle
• receivable
• receptionist
• religion
• repercussion
• recklessness
• reflect
• regurgitate
• refute
• roadblock
• refraction
• reciprocal
• reef
• retinue
• rune
• resupply
• redemptive
• rebellious
• reservoir
• regard
• retire
• reprobate
• revue
• reposeful
• reconsideration
• renewal
• replay
• resort
• resistant
• raconteur
• regardless
• rewrite
• release
• realty
• retina
• refutation
• random
• reliant
• renovate
• rapidity
• revive
• radical
• rocky
• referee
• rummage
• request
• resolution
• rupture
• remembrance
• responsive
• requite
• recollect
• relatively
• rueful
• repine
• recur
• ripen
• railing
• recount
• refund
• reverent
• RNA
• ria
• reservation
• retrench
• revolutionist
• reproof
• revolt
• refrigerate
• ruckus
• raiment
• radiation
• rhinoceros
• repentance
• reconcile
• replace
• ruminate
• relent
• rosemary
• recidivism
• reader
• rapport
• residential
• repeal
• remunerative
• retard
• retaliate
• route
• revitalization
• ragged
• rebound
• remuneration
• reflex
• rubbish
• ragtime
• rapscallion
• reflection
• rampart
• reed
• rectangle
• reins
• rout
• ref
• reckless
• root
• railroad
• redound
• reduplication
• roundabout
• recruit
• refuel
• realistic

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因篇幅关系，字母R开头的单词只列出前 120 个；字母R开头的英语单词由君君词典提供查询