电报机的

例句：

1. 1. The telegraph was invented to transmit messages quickly over long distances.
   电报机被发明出来，用于在长距离上快速传输信息。
2. 2. He sent a telegram to his friend in another city.
   他给另一个城市的一个朋友发送了一封电报。
3. 3.The telegraph has revolutionized communication across the world.
   电报已经彻底改变了全球的通信方式。