a federation of labor unions

• 总工会

a federation of labor unions的用法和样例：

例句

1. The NUJ said it intended to meet with representatives of the Bectu and Unite unions to co-ordinate a response.
   全国记者工会说将和同广播娱乐电影与剧院工会和总工会协调后才作出回应。
2. Beijing hopes that better protection for workers through the union and the new labor law will placate its increasingly restive manufacturing workforce.
   北京期望通过总工会对工人提供的更好保护，以及新的劳动法规，来安抚日益不稳定的制造业劳动力。