■ 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。

• wedding 与 marriage
• welcome
• well
• well-connected
• west
• western
• west 与 western
• what
• what
• what
• what
• what about
• whatever
• what..., what
• what, which 与 who
• what 与 how
• what 与 who
• when
• where
• where it counts
• whether
• whether 与 if
• which
• which
• while