army是集合名词吗

是集合名词，意思是军队，例如：

1.The army has been sent in to maintain order in the capital.军队被调进首都维持治安。

2.The army has seized control of the country.军队已经控制全国。

3.He's a major in the US army.他是美国陆军少校。

4.A Serbarmyunit took the town. 一支塞尔维亚部队夺取了这个镇。