telegraphy

• 指通过电线传输电信号进行远距离通信的技术或系统，常使用摩尔斯电码。

A noun referring to the technology or system of communicating over long distances by transmitting electrical signals through wires, often using Morse code.

不可数

1. Electric communicationC1formaltechnical

   The technology or process of communicating at a distance by transmitting electrical signals over wires.

   电报

   • The invention of telegraphy revolutionized long-distance communication in the 19th century.
   • Early telegraphy relied on Morse code to transmit messages.
   • Telegraphy allowed news to travel across continents in minutes.

2. Apparatus for wire communicationC1formaltechnical

   The equipment and system used to send messages over a wire, typically using Morse code.

   电报

   • The operator used telegraphy to send a distress signal.
   • Museums still display old telegraphy equipment from the 1800s.
   • Learning telegraphy required mastering the Morse code alphabet.

   同义词telegraph