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。