■ 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。

• regardless
• regime
• regimen
• regret
• regretful
• regretful 与 regrettable
• regrettable
• relative to
• religion
• reluctant
• remember
• remember
• remember, recall 与 recollect
• remind
• rent
• rent 与 lease
• replace
• reply
• report
• reportedly
• representative
• require
• resolution
• respect
• respectable