■ and... at that

用来表示比前面所说的更进一步，程度更高。

• He has a Ph. D. degree, and from Harvard at that.他有博士学位，而且是哈佛的。
• Today, food safety is a business—and a booming one at that. (US News & World Report, Dept. 15-22, 2008, p.27)今天，食品安全已经成了一门行业，而且是欣欣向荣的行业。

• revenge
• reverend
• rice
• ride
• right
• right
• right side of the tracks
• right 与 power
• ring
• rise
• rise
• river
• road
• rob
• room
• royal road
• rubbish
• rule
• rule out
• 's
• safe
• safety
• sailor
• salary
• salary