电话电报

例句：

1. 1. The telegraph operator sent a message to the dispatcher.
   电报操作员向调度员发送了一条消息。
2. 2.The telegraph lines were once used for long-distance communication.
   电报线路曾经用于长途通信。
3. 3.The telegraph was invented by Samuel Morse in 1837.
   电报是由萨缪尔·莫尔斯在1837年发明的。