n.[C][G]

1. 军队
   There they formed an army of about two thousand men.

   他们在那里组建了一支两千人的军队。

2. 陆军；军团
   John is in the army.

   约翰服务于陆军。

3. 大群；大批[（+of）]
   An army of ants swarmed over the sand-hill.

   一大群蚂蚁在沙丘上爬动。

4. 团体
   She works for the Salvation Army.

   她为救世军工作。

n.

1. an organized military force equipped for fighting on land.
2. a large number of similar people or things.