pantelegraph

例句：

1. 1. The telegraph was invented to send messages quickly over long distances.
   电报被发明出来，用于快速在长距离上发送信息。
2. 2. The telegraph line is the only way to communicate with people in distant places.
   电报线路是与遥远地方的人进行通信的唯一方式。
3. 3. He sent a telegram to his sister before leaving for vacation.
   他离开度假前给妹妹发了一封电报。