单词

scent scenery scatter specialize species speciality statistics stationery stationary static statesman summon summit summary systematic synthetic synthesis synonym synchronize symptom symposium symphony symmetry sympathetic symbolize swirl swing swift swerve swell sweep sweater swear sway swarm swamp swallow sustenance sustain suspicious suspension suspense suspend suspect susceptible survival survey surrender surplus surpass surgery surgeon surge surcharge supreme suppress supposition supposedly supplementary supervise superstructure superstition supersonic supersede superior superintend superfluous superficial superb sulphur suite suitcase sufficient sue suck succumb succinct succession substitute subtract substantiate subtle substantial subtitle subside subsidiary subsidy subsequent subscribe subordinate submit submerge submarine subjective subdue subject style stunt man studio strive structural stuff stuffing stubborn stumble stripe stroke strip string striking stride stretch stress strenuous strengthen strategic strap strait strain straightforward storey stoop stock stitch stipulate sting stimulus stimulate stiff stick up stick to sth stick to sb stick sth out stick around stick at sth stick stern sterling sterilize stereotype stereo stem steep steak steady steadfast statute steamer status statue startle starve stand up for sb stand out stand off staple stand in line stand for sth starch standing standard stand in for sb stand by stale stand stall stake stagnant stain stagger staff stadium stack stabilize squeeze spur sprout sprint spring spray square stand by sth sprawl spouse spotlight spokesman sporadic spontaneous sponsor split splendid splash spoil spin spit spiritual spiral spill sphere speculate spectrum spectator spectacular spectacle specimen specification specific sparkle spare spatial sparse span spacious sow souvenir sour sound sort sovereign sore sort sth out sophisticated somewhat somehow solvent solution soluble solo solitary solidarity solemn sole solar soil sociology sober soar soak snatch snap sth up snack smother snap out of it smooth smash smart slum sluggish slot slope slogan slit slip slim slippery skip slight slide slander site slate slaughter slender slab slack slag slam slap situated skeleton sketch skim single out singular sink single similar signal simultaneous sign sightseeing sigh sieve siege sicken shuttle shutter shrug shrub shrink shrewd signify sincere simplify simulate signature shred shower shovel shoal shiver shimmer shift shock shield shelter sheet sheer shed light on shed shear shave shatter shanty shallow shaft shabby sewer severe settle sb in settle on sth settle down settle for sth settle down to sth settle setting setback set sth up set sth out set sth off set sth back set out set off set in set about sth session set series sequence scrutiny septic sentiment sensitive sensible semblance seep seismic segregate segment seemingly see eye to eye with sediment secular sector sectional section secondary seclude seam seal scum sculpture seal up scroll scrupulous script screw scratch scrape scout score scrap scorn seal of scorch scoop scold scissors scholarship scheme sceptical scarcely scar scapegoat scant scandal scan scalpel scale up scale down scale say sauce saturate say to oneself savage sarcasm sanity sake sanction saline salvage safeguard salute saddle sacrifice sacred sabotage sack