distance表距离可数吗

例句：

The onlookers stood at a respectful distance.

旁观者站在一定的距离之外，以示尊敬。

We watched the explosion from a safe distance.

我们在安全距离之外观看了爆破。

They watched the bus disappear into the distance.

他们注视着公共汽车消失在远方。