四级单词
S
- sabotage
- sack
- saddle
- sailing
- saint
- sake
- sample
- sanction
- sandstorm
- sauce
- saving
- savour
- saw
- scale
- scandal
- scanner
- scarce
- scarcely
- scatter
- scheme
- schooling
- scope
- scout
- scrape
- screw
- script
- seaman
- secondary
- second-hand
- secondly
- sector
- secure
- security
- seemingly
- segment
- selection
- semester
- semiconductor
- senate
- senator
- sensible
- sequence
- series
- setting
- severe
- sexual
- sham
- shed
- sheer
- shell
- shield
- shift
- shiver
- shortage
- short-term
- short-wave
- shove
- shrug
- sidewalk
- siege
- significant
- silicon
- similarly
- simplicity
- simply
- sin
- sincere
- singular
- sip
- site
- skeleton
- sketch
- skilled
- skim
- slam
- slap
- slender
- slim
- slippery
- slogan
- slope
- smash
- smelly
- smooth
- snack-bar
- snap
- snowball
- soak
- soar
- sociology
- soda
- softball
- sole
- solemn
- solitary
- solution
- sometime
- somewhat
- sophisticated
- sore
- source
- spacecraft
- span
- spark
- specialise
- speciality
- specialize
- specially
- species
- specify
- specimen
- spectacular
- speculate
- sphere
- spider
- spine
- spite
- splash
- spokesperson
- sponge
- spontaneous
- sportsman
- spouse
- spur
- stabilise
- stability
- stack
- stagger
- stake
- stale
- standpoint
- startle
- static
- statistical
- steamer
- stem
- stereotype
- sticky
- stiff
- stimulate
- sting
- stir
- stock
- stomachache
- stoop
- storey
- strain
- strap
- strategic
- strategical
- strategy
- streak
- stretch
- stride
- striking
- strip
- stripe
- stroke
- structural
- structure
- stuff
- stuffy
- subdivide
- submerge
- subsequent
- subsidise
- substance
- substantial
- subtle
- subtract
- suburb
- subway
- succession
- successive
- sufficient
- suicide
- sulphur
- sum
- summarize
- summit
- sunglasses
- superficial
- superman
- supervise
- supplement
- surgery
- surrender
- surroundings
- survey
- survivor
- suspend
- suspicion
- sustain
- sustainable
- swan
- sway
- Swiss
- swop
- symbolic
- sympathetic
- sympathize
- sympathy
- synthetic