contingents
n．代表团，分遣队：一个组织或国家派出的一组人，通常是为了参加特定活动或执行特定任务。
例句
In part, this has reflected the composition of its main contingents so far.
这部分反映了它到现在的主要的意外的构成。
The difficulty is that the contingents rotate, so you are always dealing with new people.
困难在于管事的人不停地在变幻，因此你总是在和新来的人打交道。
The EU is supposed to have two battlegroups, contingents of about 1, 500 troops ready to deploy at a few days' notice.
欧盟也已准备了两只战斗队伍，一支由1500人组成的先遣队在人们的注意几天后开始装备。
