n.[C]

1. 军队，部队[P]
   The enemy troops withdrew.

   敌军撤退了。

2. 骑兵队[G]
3. 一群；大量，许多[（+of）]
   The old man was surrounded by a troop of children.

   老人被一群孩子围住了。

   A troop of children rushed in and chased each other noisily.

   一群小孩冲进来，喧闹地彼此追逐。

4. 一队的童子军[G]

vi.

1. 群集，集合[（+up/together）]
2. 成群结队地走[Q]
   They all trooped into the meeting.

   他们都成群结队前去参加会议。

n.

1. (troops) soldiers or armed forces.
2. a cavalry unit commanded by a captain.
   ▸a unit of artillery and armoured formation.
   ▸a group of three or more Scout patrols.
3. a group of people or animals of a particular kind.

v.