spontaneous 自发的
spout [spaut] 喷管, 喷口
spray [sprei] 喷雾
spring 春天
sprinkle 洒
sprout [spraut] 萌芽
sprinkled sugar on the cereal 谷物的粒状糖体
st=停、稳、键:stand, stance, stant, store
circumstance 环境
constant 持续不变的
distance 距离
obstacle 障碍
stagnant 停滞的
Pond water is usually stagnant.
Stadium 露天大型运动场
Stale 陈腐的
Are there any pleasure that never stale?
Stamina 毅力
Stare 凝视
Stiff 僵硬的
Sturdy 结实的
This mountain bike is very sturdy.
Substance 物质
Stand n. 停止,v.站
Stall n.货摊
Stable 稳定的
State 状态
Static 静态的
Station 位置
Statue 雕像
Status 地位, 情形
Steadfast 坚定的
Steady 稳固的
str=细、长、直、紧:strain, strict, string
constrain 抑制
constrict 压缩
restrain 抑制
restrict 限制
straight [streit] 直的
strain [strein] 紧张, 张力
The rope broke under the strain
strait
People along the Taiwan Strait speak the same language.
Strand 绳、线之一股
Street 街
Strenuous 奋发的, 使劲的
stress [stres] 重压
strict [strikt] 严格的
stricture 责难
string 线, 细绳
stringent 严厉的
strip [strip] 条, 带
stripe [straip] 条纹