telephone是可数名词吗

例句：

The new system interfaces with existing telephone equipment.

新系统与现有的`电话设备相连接。

You can telephone your order 24 hours a day.

一天24小时你都可以打电话订购。

That telephone call set in train a whole series of events.

那个电话把一整套事项安排好了。

I need to make a telephone call.

我得打个电话。

Our telephone lines are open during normal office hours.

我们的电话在正常办公时间一直开通。