分群

例句：

1. 1. The birds are clustered together in the sky.
   鸟儿们聚在一起在天空中。
2. 2. The team is working hard to achieve their goals.
   团队正在努力工作以实现他们的目标。
3. 3. The students are clustered around the teacher for questions.
   学生们围绕着老师提问。