"a troop of children"
"the veterans paraded down the street"
"They children trooped into the room"
The students trooped into the classroom.
学生们列队走进教室。
The children trooped into the yard in single file.
孩子们成一路纵队走进院子。
Everyone trooped into the meeting.
大家三五成群地去参加会议。
People came trooping out of the theatre.
人们成群结队地走出戏院。
School was over and boys and girls all trooped out of the school.
放学了,学生们都成群结队地走出校门。
In this troop..rode many of the best blood of Spain.
A goodly troop of young and old set forth to church.
A huge troop of baboons.
There will the lovely Roman ladies troop.
Multitudes..would..troop about him.
牛津高阶第八版
美国韦氏词典
Dictionary.com
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维基百科 (自由的百科全书)