■ expensive

只能指商品本身，不能指其价格。

• The average man found the price pretty high (*expensive)。价格对一般老百姓来说太高了。

参见 cheap 条。

• aware
• awareness
• aware 与 conscious
• away
• away from
• awesome
• awesome 与 awful
• awful
• back
• bake
• balk
• banner
• banner 与 flag
• barely
• based on
• basic
• basis
• be
• beans
• bear
• beat
• because
• because 与 as, since 及 for
• become
• bed