打字电报机

例句：

1. 1. The telegraph was invented to transmit messages quickly over long distances.
   电报机被发明用来在长距离内快速传输信息。
2. 2. The telegraph was a revolutionary invention that changed the way people communicated.
   电报机是一项革命性的发明，改变了人们通信的方式。
3. 3. In the early days of telephones, telegraph machines were used for sending and receiving messages.
   在电话的早期阶段，电报机用于发送和接收消息。