After the war, the soldiers were happy to finally begin their demobilization process.

demobilization 是由前缀 de-（表示"去除、解除"）和 mobilize（动员）加上名词后缀 -ation 构成。mobilize 来自 mobile（移动的），原意是"使能够移动"，引申为"动员军队"。 demobilization 字面意思是"解除动员状态"，即"退伍、复员"的过程。