大学英语四级单词大全
- systematic
- sympathise
- system
- synthetic
- symptom
- sympathy
- sympathize
- sympathetic
- symbol
- sword
- switch on
- switch off
- switch
- swim
- swift
- swing
- swell
- sweet
- sweep
- sweater
- sweat
- swear off
- swear in
- swear by
- swear
- sway
- swallow
- sustain
- suspicion
- suspend
- suspect
- survive
- survival
- survey
- surroundings
- surround
- surrender
- surplus
- surgery
- surface
- sure enough
- supreme
- suppose
- support
- sure
- supply
- supplement
- supper
- supermarket
- superior
- superficial
- superb
- super
- sunshine
- sunset
- sunrise
- sunny
- sunlight
- Sunday
- sun
- summer
- summary
- summarize
- summarise
- sum up
- sum
- suitcase
- suitable
- suicide
- suggestion
- suggest
- sugar
- sufficient
- suck
- suffer
- sudden
- suck up
- such as
- such
- successive
- successful
- success
- succeed
- subway
- suburb
- subtract
- substitute
- substantial
- substance
- subsequent
- submit
- subject
- submerge
- style
- stupid
- stuff
- study
- studio
- student
- struggle
- structure
- strong
- stroke
- stripe
- strip
- string
- striking
- strike up
- strike out
- string along
- strike off
- strike
- strict
- stretch
- street
- stress
- strengthen
- strength
- stream
- straw
- strategy
- strategic
- strap
- stranger
- strange
- strain
- story
- straight off
- stove
- storm
- storey
- store
- storage
- stop off
- stop by
- stoop
- stone
- stop
- stir
- stomach
- stocking
- stock
- stir up
- sting
- stimulate
- still
- stiff
- stick with
- stick together
- stick up for
- stick to
- stick out for
- stick out
- stick by
- stick at
- stick around
- stick
- step up
- step in
- step down
- step
- stem
- steer clear of
- steer
- step by step
- steel
- steamer
- steep
- steam
- steam up
- steak
- steady
- stay put
- stay
- status
- statue
- statistic
- station
- statement
- static
- start up
- state
- starve
- start on
- start out
- start off
- start
- stare
- star
- standpoint
- standard
- stand up to
- stand up for
- stand up
- stand down
- stand in
- stand for
- stand by
- stand a chance of
- stand
- stamp out
- stamp
- stale
- stair
- stake
- stain
- stage
- staff
- stadium
- stack
- squeeze
- stable
- square up
- square off
- square
- spur
- spring
- spread out
- spray
- spot
- sportsman
- sport
- spoon
- sponsor
- spokesman
- spoil
- split up
- split
- splendid
- spit
- spiritual
- spite
- spin out
- spit out
- spirit
- spill
- spin
- spider
- sphere
- spend
- spelling
- spell
- speed up
- speed
- speech
- speculate
- spectacular
- specify
- specimen
- specifically
- specific
- species
- specialize
- specialist
- specialise
- special
- speaker
- speak out
- spark
- spare
- span
- speak for
- speak
- spade
- space
- space out
- sow
- southwest
- southern
- southeast
- south
- source
- soup
- sour
- sound out
- sound
- soul
- sort out
- sort of
- sort
- sorry
- sorrow
- sore
- sophisticated
- sooner or later
- soon
- song
- son
- somewhere
- somewhat
- sometimes
- sometime
- something of
- something
- someone
- somehow
- somebody
- some
- solve
- solution
- solid
- solemn
- sole
- soldier
- solar
- soil
- software
- soft
- sock
- society
- socialist
- socialism
- social
- soccer
- so-called
- soar
- soap
- soak up
- soak
- so that
- so as to
- so to speak
- so that
- so long
- so far
- so as to
- so
- snow
- snap up
- snap out of
- snap
- smooth over
- smooth
- smoke
- smile
- smell
- smash
- smart
- small
- slow down
- slow
- slope
- slippery
- slip up
- slip
- slim
- slender
- slice
- sleeve
- slide
- sleep off
- slight
- slave
- sleep through
- slap
- slam
- skillful
- sky
- skirt
- skin
- skim
- skilled
- skilful
- skill
- ski
- sketch out
- sketch
- skate
- sixty
- sit in on
- sit around
- sit
- sir
- size
- size up
- situation
- six
- sixteen
- sister
- sit out
- sit up
- site
- sink in
- silk
- significant
- silent
- silence
- significance
- sin
- sink
- sing
- single
- singular
- sincere
- since
- simply
- simple
- similarly
- simplicity
- silver
- silly
- simplify
- signal
- similar
- sign out
- sign on
- sign off
- sign in
- sign for
- sign away
- sign
- sightseeing
- sigh
- sight
- sideways
- side by side
- side
- sick
- shy away from
- shy
- shut down
- shut up
- shut off
- shut in
- shrug off
- shrug
- shut away
- shut
- shrink
- show
- shower
- show up
- show off
- shout down
- shout
- shoulder to shoulder
- shot
- shortly
- shortcoming
- shoulder
- should
- shortage
- shore
- shop
- shoot up
- shoot down
- short
- shoot
- shoe
- shock
- shirt
- shine
- ship
- shiver
- shift
- shield
- shelter
- shell
- shelf
- sheet
- sheer
- sheep
- shed
- she
- share
- shave
- shape
- shame
- shape up
- shallow
- shall
- shake up
- shake off
- shake down
- shake
- shadow
- shade
- sex
- shade in
- sexual
- sew up
- severe
- sew
- several
- seven
- seventeen
- settle on
- settle in
- settlement
- settle down
- settle for
- settle
- setting
- set up
- set the pace
- set store by
- set sail
- set out
- set off
- set on
- set free
- set forth
- set fire to
- set down
- set back
- set aside
- set apart
- set against
- set about
- set
- session
- service
- serve up
- serve out
- serve
- serious
- series
- sequence
- September
- serve right
- sensible
- sensitive
- separate
- sentence
- send out
- sense
- send up
- send off
- send in
- send for
- send away
- send
- senator
- senate
- seminar
- sell up
- sell out
- semiconductor
- senior
- sell off
- sell
- selfish
- self
- select
- selection
- seldom
- seize up
- seize on
- seize
- seem
- segment
- seek
- seed
- see red
- see out
- see to
- see through
- see off
- see about
- see eye to eye
- see to it that
- sector
- secondary
- seat
- seeing that
- second
- season
- search
- seal off
- second to none
- seal
- sea
- script
- secure
- screw up
- screw
- screen
- scratch
- see
- secret
- scientific
- secretary
- section
- science
- scrape
- scout
- scrape together
- scrape by
- scope
- scientist
- school
- scholarship
- scheme
- score
- scissors
- scold
- scholar
- scenery
- schedule
- scare
- scarce
- scene
- scarcely when
- scandal
- scan
- scale down
- scale
- say
- saw
- save for
- saving
- save
- sausage
- saucer
- sauce
- Saturday
- satisfy
- satisfactory
- satellite
- sandwich
- sand
- scarcely
- sanction
- sample
- same
- salt
- salesman
- sale
- salary
- salad
- sake
- sailor
- sail
- safety
- sail through
- safe and sound
- safe
- saddle
- sad
- sacrifice
- sack
- Saint