■ successful 与 successive

前者是“成功的”，后者是“连续相继的”。

• a successful attempt to land on the moon成功的登月之举
• three successive years of low rainfall连续三年的少雨。

• special
• spiritual
• splatter
• spoil
• sport
• spouse
• spray
• sprinkle
• st-
• st-
• staff
• staff 与 stuff
• stage
• stand
• start
• state
• state
• state
• statesman
• stationary
• stationary 与 stationery
• stationery
• status
• stead
• stead