■ 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。

• tailor
• take
• take
• take for granted
• take...for granted
• take something for granted
• take sth for granted
• talk
• talk to
• taste
• tax
• tea
• teach
• teacher
• telephone
• television
• tension
• tenure
• terrible
• terrible 与 terrific
• terrific
• than
• thank
• thankful
• thankful