a troop of ,a troupe of 区别

a troop of ,a troupe of 区别 a troop of 和a group of 的用法区别 a troop of best soldiers A troop of visitorsis going to arrive Troupe of little vagrants of the world,leave your footprints a series of a serious of 区别 a range of,a variety of区别 a little of,a kind of,kind of 的区别 a number of an amount of a quantity of区别 A plenty of和plenty of 区别 a dozen of 与dozens of 区别 many of 和 a lot of 区别