1. 花名册：你可以用花名册(roster)类查找花名册的所有条目,它们所属的组以及每个条目当前呈现的状态. smack提供以下两种方法阅读收到的信息包:packetlistener和packetcollector. 它们都使用packetfilter的实例来决定应该处理哪个信息包.

2. 球员名单：你要先保存你的球员名单,也就是在存储里,存储球员名单(roster) 然后提取这个名单,在这个名单下开始王朝模式

3. 名单管理：GENERAL MANAGER:球队管理模式 | +ROSTER:名单管理 | ++TEAM ROSTER:球队名单

1. 值勤表;勤务簿
    A roster is a list which gives details of the order in which different people have to do a particular job.

    e.g. The next day he put himself first on the new roster for domestic chores...
           第二天，他把自己排在了新的家务值日表的第一位。
    e.g. He was in his office, preparing his duty roster for the coming month.
           他正在自己的办公室里制定下一个月的执勤表。

2. 名单;花名册;登记表;运动员名册（尤用于美国英语中）
    A roster is a list, especially of the people who work for a particular organization or are available to do a particular job. It can also be a list of the sports players who are available for a particular team, especially in American English.

roster的翻译

    e.g. The Amateur Softball Association''s roster of umpires has declined to 57,000...
           业余垒球协会的裁判员名单上的人数已经减少到了57,000名。
    e.g. From the studio''s roster of leading men, Robert Walker was an obvious choice to play the part.
           从该电影公司的男主角名单来看，罗伯特·沃克显然是出演这一角色的不二人选。

1. a list of names

    e.g. his name was struck off the rolls

    Synonym: roll