大学英语四级单词大全
- respectively
- recognise
- rabbit
- race
- racial
- rack
- radar
- radiation
- radical
- radio
- rag
- rage
- raid
- railroad
- rail
- railway
- rain
- rainbow
- rainy
- rank
- raise
- rally
- range
- rapid
- rare
- rarely
- rat
- rate
- rather
- rather than
- ratio
- rational
- raw
- ray
- reach
- react
- reaction
- reading
- ready
- real
- realise
- realistic
- read
- readily
- realize
- really
- reality
- realm
- rear
- reason
- reasonable
- rebel
- recall
- receipt
- receive
- receiver
- recent
- reception
- recession
- reckon
- reckon with
- reflect
- reflection
- refer to as
- recognize
- recommend
- recommendation
- record
- recognition
- recorder
- recover
- recreation
- reduction
- recruit
- recovery
- red
- reduce
- refer
- refine
- reflexion
- regard
- refugee
- refresh
- regardless
- refrigerator
- reform
- relationship
- refuse
- regarding
- regardless of
- refusal
- region
- register
- regret
- regulate
- regulation
- reinforce
- regular
- relate
- relation
- relative
- relative to
- relativity
- relax
- release
- reliable
- relief
- relieve
- relevant
- religion
- religious
- reluctant
- rely
- remain
- remark
- remarkable
- remedy
- remember
- remote
- removal
- render
- renew
- rent
- remind
- repair
- repeat
- repeatedly
- replacement
- reply
- report
- repetition
- replace
- represent
- reporter
- representative
- reproduce
- request
- republic
- republican
- reputation
- resident
- require
- rescue
- requirement
- research
- resemble
- reservation
- reservoir
- residence
- resign
- resist
- resistance
- resistant
- resolution
- resolve
- resort
- resource
- respect
- respective
- respond
- response
- responsibility
- responsible
- rest
- restaurant
- restless
- restore
- restrain
- result
- resume
- restrict
- retail
- retain
- retire
- retreat
- return
- reveal
- revenue
- reverse
- review
- revise
- revolt
- revolution
- revolutionary
- reward
- rhythm
- rib
- ribbon
- rich
- rice
- ride
- ridge
- ridiculous
- right
- rifle
- ride out
- rise to
- right away
- rigid
- rise above
- ring
- ring off
- ring up
- rise
- riot
- ripe
- rival
- river
- roast
- risk
- road
- roar
- rob
- robot
- roll
- roll in
- roll up
- rock
- rocket
- rod
- role
- roller
- romantic
- roof
- root
- room
- root out
- rope
- rope in
- rose
- rotten
- rough
- round
- round the clock
- rouse
- round up
- routine
- route
- row
- royal
- rub it in
- rub
- rubbish
- rubber
- rug
- ruin
- rule
- rude
- rumor
- rumour
- rule out
- ruler
- 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