Then how are they connected, through telephone wires?

那它们是怎么连接起来的呢？是通过电话线吗？

youdao

As the morning drifted by, we drove through idyllic valleys where plum-coloured birds perched on telephone wires and every house was surrounded with roses, geraniums and marigolds.

日上三竿之后，我们的车子驶过一条田园诗般的山谷。金盏花，天竺葵和玫瑰花环绕着房屋盛开，紫红色羽毛的鸟儿在电线上盘桓。

youdao

The spinal cord is much like a telephone cable that is carrying thousands of tiny wires. When it is crushed, transmission of information through the wires is stopped.

脊髓就像电话电缆，由大量小金属细丝组成，当它受到挤压，信息传递就发生障碍。

youdao

The idea is to speed up the introduction of broadband services, which include telephone, internet, and television services all delivered through the copper wires.

BBC: BT forced to open network