army是个体名词吗

　　The whole territory is now controlled by the army.

　　现在全境都在军队的控制之下。

　　The book goes on to describe his experiences in the army.

　　本书继而描述了他在部队的经历。

　　The army began their long march to the coast.

　　部队开始了他们开往沿海地区的长途行军。

　　After leaving school, Mike went into the army.

　　迈克从学校毕业后参加了陆军。

　　There's enough here to feed an army.

　　这儿的东西足以养活一支军队。