河狸以家庭为群，一起生活和工作。

Beavers live and work together in family groups.

youdao

一大群人聚集在码头边，为他们送别。

A large group had gathered on the quayside to see them off.

《柯林斯英汉双解大词典》

这艘船撞上了恶名远扬的斯戈尔尖岬暗礁群，断为三截。

The ship crashed into the infamous Sker Point rocks and broke into three pieces.

《牛津词典》

Because that for the first time, I kind of looked up and just like, wow, you know I have a team of engineers here and like a lot of smart people who can start building a lot of stuff in a different way that is currently being done.

因为我第一次经历这些，当我抬起头，看到一群聪明人在为我工作,他们正用独特的方式,创造新的事物，我顿时感到十分自豪。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

You can usually tell who they are because they dress up for their sorority and their frat.

你通常能看出这些人是谁，因为他们会为自己姐妹群与兄弟会盛装打扮。

学习和交际都重要 - SpeakingMax英语口语达人

Edward King, in fact, seems to have been sufficiently well liked or admired that when news of his death hit Cambridge, a group of his friends organized something like an anthology of poems in his honor.

实际上，爱德华·金似乎很受爱戴,当他的死讯传到剑桥时，他的一群朋友为他,编纂了一本类似诗集的书。

耶鲁公开课 - 弥尔顿课程节选