n.循环赛；圆形签名请愿书；传阅的信件
The tournament will be a round robin for all the high school teams in the city. 这届全市中学队锦标赛将采取循环赛。
Support for single or multiple round robin schedules, custom, single or double elimination tournaments. 支持单个或多个循环赛日程，习俗，单人或双人淘汰制竞赛。
We sent a round robin to the boss asking him to change the shift system. 我们向老板递交了一份圆形签名请愿书，要求他改变轮班制。
