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四级英语单词

• rigid
• ripe
• ripen
• rise
• risk
• rival
• roar
• roast
• rob
• robber
• robbery
• robe
• robot
• rock
• rocket
• rod
• role
• roll
• roller
• Roman
• romantic
• roof
• root
• rope
• rose
• rot
• rotary
• rotate
• rotation
• rotten
• rough
• roughly
• rouse
• route
• routine
• row
• royal
• rub
• rubber
• rubbish
• rude
• rug
• ruin
• rule
• ruler
• rumour
• runner
• rural
• rush
• rust
• rusty
• sack
• sacred
• sacrifice
• saddle
• sadly
• sadness
• safe
• safely
• safety
• sail
• sailor
• Saint
• sake
• salad
• salary
• sale
• salesman
• salt
• salute
• sample
• sand
• sandwich
• sandy
• satellite
• satisfaction
• satisfactory
• satisfy
• sauce
• saucer
• sausage
• save
• saving
• saw
• scale
• scan
• scandal
• scar
• scarce
• scarcely
• scare
• scarf
• scatter
• scene
• scenery
• scent
• schedule
• scheme
• scholar
• scholarship
• scientific
• scientist
• scissors
• scold
• scope
• score
• scorn
• scout
• scrape
• scratch
• scream
• screen
• screw
• seal
• seaman
• seaport
• search
• secondary
• secondly
• secret
• section
• secure
• security
• seed
• seek
• segment
• seize
• seldom
• select
• selection
• self
• selfish
• seller
• semester
• semiconductor
• seminar
• senate
• senior
• sense
• sensible
• sensitive
• sentence
• separate
• separately
• separation
• sequence
• series
• serious
• seriously
• servant