- sack
- sacrifice
- sad
- saddle
- safe
- safe and sound
- safety
- sail
- sail through
- sailor
- saint
- sake
- salad
- salary
- sale
- salesman
- salt
- same
- sample
- sanction
- scarcely
- sand
- sandwich
- satellite
- satisfactory
- satisfy
- Saturday
- sauce
- saucer
- sausage
- save
- saving
- save for
- saw
- say
- scale
- scale down
- scan
- scandal
- scarce
- scene
- scare
- scarcely when
- schedule
- scenery
- scholar
- scold
- scissors
- scientist
- score
- scope
- scheme
- scholarship
- school
- science
- scientific
- scout
- scrape
- scrape by
- scrape together
- section
- secretary
- secret
- see
- secure
- scratch
- screen
- screw
- screw up
- script
- sea
- seal
- seal off
- search
- season
- seat
- second
- second to none
- secondary
- sector
- see about
- see eye to eye
- see off
- see out
- see red
- see through
- see to
- see to it that
- seed
- seeing that
- seek
- seem
- segment
- seize
- seize on
- seize up
- seldom
- select
- selection
- self
- selfish
- sell
- sell off
- sell out
- sell up
- semiconductor
- seminar
- senate
- senator
- send
- send away
- send for
- send in
- send off
- send out
- send up
- senior
- sense
- sensitive
- sensible
- sentence
- separate
- September
- sequence
- series
- serious
- serve
- serve out
- serve up
- serve right
- service
- session
- set
- set about
- set against
- set apart
- set aside
- set back
- set down
- set fire to
- set forth
- set free
- set off
- set on
- set one's heart on
- set out
- set sail
- set store by
- set the pace
- set up
- setting
- settle
- settle down
- settle for
- settle in
- settle on
- settlement
- seven
- seventeen
- several
- severe
- sew
- sew up
- sex
- sexual
- shade
- shade in
- shadow
- shake
- shake down
- shake off
- shake up
- shall
- shallow
- shame
- shape
- shape up
- share
- shave
- she
- shed
- sheep
- sheer
- sheet
- shelf
- shell
- shelter
- shield
- shift
- shine
- ship
- shirt
- shiver
- shock
- shoe
- shoot
- shoot down
- shoot up
- shop
- shore
- short
- shortage
- shortcoming
- shortly
- shot
- should
- shoulder
- shoulder to shoulder
- shout
- shout down
- show
- show off
- show up
- shower
- shrink
- shrug
- shrug off
- shut
- shut away
- shut down
- shut in
- shut off
- shut up
- shy
- shy away from
- sick
- side
- side by side
- sideways
- sigh
- sight
- sightseeing
- sign
- sign away
- sign for
- sign in
- sign off
- sign on
- sign out
- signal
- silly
- similar
- silver
- simplify
- simplicity
- simple
- similarly
- simply
- since
- sincere
- singular
- single
- sing
- sink
- sin
- significance
- significant
- silence
- silent
- silk
- sink in
- site
- sit up
- sit out
- sister
- sixteen
- six
- situation
- size up
- size
- sir
- sit
- sit around
- sit in on
- sixty
- skate
- sketch
- sketch out
- ski
- skilful
- skill
- skilled
- skillful
- skim
- skin
- skirt
- sky
- slam
- slap
- slave
- sleep off
- sleep through
- sleeve
- slender
- slice
- slide
- slight
- slim
- slip
- slip up
- slippery
- slope
- slow
- slow down
- small
- smart
- smash
- smell
- smile
- smoke
- smooth
- smooth over
- snap
- snap out of
- snap up
- snow
- so
- so as to
- so far
- so long
- so that
- so to speak
- so as to
- so that
- soak
- soak up
- soap
- soar
- so-called
- soccer
- social
- socialism
- socialist
- society
- sock
- soft
- software
- soil
- solar
- soldier
- sole
- solemn
- solid
- solution
- solve
- some
- somebody
- somehow
- someone
- something
- something of
- sometime
- sometimes
- somewhat
- somewhere
- son
- song
- soon
- sooner or later
- sophisticated
- sore
- sorrow
- sorry
- sort
- sort of
- sort out
- soul
- sound
- sound out
- soup
- sour
- source
- south
- southeast
- southern
- southwest
- sow
- space
- space out
- spade
- span
- spare
- spark
- speak
- speak for
- speak out
- speaker
- special
- specialise
- specialist
- specialize
- species
- specific
- specifically
- specify
- specimen
- spectacular
- speculate
- speech
- speed
- speed up
- spell
- spelling
- spend
- sphere
- spider
- spill
- spin
- spin out
- spirit
- spiritual
- spit
- spit out
- spite
- splendid
- split
- split up
- spoil
- spokesman
- sponsor
- spoon
- sport
- sportsman
- spot
- spray
- spread out
- spring
- spur
- square
- square off
- square up
- squeeze
- stable
- stack
- stadium
- staff
- stage
- stain
- stair
- stake
- stale
- stamp
- stamp out
- stand
- stand a chance of
- stand by
- stand down
- stand for
- stand in
- stand up
- stand up for
- stand up to
- standard
- standpoint
- star
- stare
- start
- start off
- start on
- start out
- start up
- starve
- state
- statement
- static
- station
- statistic
- statue
- status
- stay
- stay put
- steady
- steak
- steam
- steam up
- steamer
- steel
- steep
- steer
- steer clear of
- stem
- step
- step by step
- step down
- step in
- step up
- stick
- stick around
- stick at
- stick by
- stick one's nose into
- stick out
- stick out for
- stick to
- stick together
- stick up for
- stick with
- stiff
- still
- stimulate
- sting
- stir
- stir up
- stock
- stocking
- stomach
- stone
- stoop
- stop
- stop by
- stop off
- storage
- store
- storey
- storm
- story
- stove
- straight off
- strain
- strange
- stranger
- strap
- strategic
- strategy
- straw
- stream
- street
- strength
- strengthen
- stress
- stretch
- strict
- strike
- strike off
- strike out
- strike up
- striking
- string
- string along
- strip
- stripe
- stroke
- strong
- structure
- struggle
- student
- studio
- study
- stuff
- stupid
- style
- subject
- submerge
- submit
- subsequent
- substance
- substantial
- substitute
- subtract
- suburb
- subway
- succeed
- success
- successful
- successive
- such
- such as
- suck
- suck up
- sudden
- suffer
- sufficient
- sugar
- suggest
- suggestion
- suicide
- suitable
- suitcase
- sum
- sum up
- summarise
- summarize
- summary
- summer
- sun
- Sunday
- sunlight
- sunny
- sunrise
- sunset
- sunshine
- super
- superb
- superficial
- superior
- supermarket
- supper
- supplement
- supply
- support
- suppose
- supreme
- sure
- sure enough
- surface
- surgery
- surplus
- surrender
- surround
- surroundings
- survey
- survival
- survive
- suspect
- suspend
- suspicion
- sustain
- swallow
- sway
- swear
- swear by
- swear in
- swear off
- sweat
- sweater
- sweep
- sweet
- swell
- swift
- swim
- swing
- switch
- switch off
- switch on
- sword
- symbol
- sympathetic
- sympathise
- sympathize
- sympathy
- symptom
- synthetic
- system
- systematic
大学英语四级单词单词大全〔S 〕课程包含644个英语单词词汇。