telegraphy是什么意思

n.电信技术

1. With the invention of telegraphy, communication became much faster and more efficient.
随着电报术的发明，通信变得更快捷和高效。

2. The development of telegraphy revolutionized long-distance communication in the 19th century.
电报术的发展在19世纪彻底改变了长距离通信的方式。

使用电信技术传输信息的方法；电报术