S字母开头的单词或词组(第15页)：
- symmetrical
- statical
- skeptical
- statistical
- synthetic
- syrup
- stealthy
- steed
- skyline
- steamer
- stepparent
- slash
- sterling
- stew
- sled
- sleek
- sleet
- stiffen
- stony
- stoppage
- sluggish
- sector
- seduce
- stormy
- seemingly
- straighten
- straightway
- smog
- self-conscious
- self-control
- strangle
- self-reliance
- self-respect
- snap
- self-taught
- sneak
- sniff
- snort
- strenuous
- stretcher
- sensor
- sentimental
- separable
- socialize