■ everyday 与 every day

前者是形容词。

• an everyday occurrence每天常见的事情，家常便饭。

后者是状语词组。

• It happens every day.这是天天都发生的。

• 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