capital是可数名词吗

　　Armed rebels advanced towards the capital.

　　武装叛乱分子向首都推进。

　　They marched triumphantly into the capital.

　　他们得意洋洋地列队进入首都。

　　Their capital is all locked up in property.

　　他们把所有资金都搁死在地产上了。