■ 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。

• widow
• win
• wipe
• -wise
• wise men
• wish
• wish
• with
• within...of
• without
• witness
• wonder
• word
• work
• worker
• work on sb
• world
• world war
• worried
• worrisome
• worth
• worthy
• would
• would you like
• wound