a troop of 和a group of 的用法区别还有troop和army的区别,

a troop of 和a group of 的用法区别还有troop和army的区别, a troop of ,a troupe of 区别 A troop of visitorsis going to arrive a group of a group of 和 a crowd of 有什么区别 a collection of streets和 a group of post office a troop of best soldiers翻译并造句,造句也要有中文翻译的, a group of man 还是a group of men 为什么？ a group of enemies or ,a group of enemy 用a group of 造句. a group of 中文意思 a group of classmates是什么意思 A group of young birds! a group of 怎么用 looking a group of strange looking faces是什么意思,和a group of strange faces有什么区别? flock,troop,school,herd,nest后面加什么动物?我是指分别加什么动物。例如：a school of fish a group a group