When people congregate, they gather together and form a group.
例句
Youngsters love to congregate here in the evenings outside cinemas showing American films...晚上,年轻人喜欢聚集在放映美国电影的电影院外面。Visitors congregated on Sunday afternoons to view public exhibitions.每周日下午,游客成群结队地来看公开展览。
英汉词典释义
vt. & vi.
(使)集合, 聚集
The crowds congregated in the town square to hear the mayor speak.人群聚集到市镇广场上来听市长讲话。
英英词典释义
Verb
1. come together, usually for a purpose;
"The crowds congregated in front of the Vatican on Christmas Eve"