/tæb ||; tæb/noun[C] 1 a small piece of cloth, metal or paper that is fixed to the edge of sth to help you open, hold or identify it 拉环；拉手；标签: You open the tin by pulling the metal tab. 拉动金属拉环就可打开罐子。
2 the money that you owe for food, drink, etc in a bar, cafe or restaurant; the bill （于酒吧、咖啡馆或饭馆饮食应付的）费用，账款；账单
keep tabs on sb/sth(
informal 非正式) to watch sb/sth carefully; to check sth 监视；监守