Teletraph
电报机,电信机,电报
🗣️ 情景例句
I'd like to thank Harvey Carlson
我非常感谢Harvey Carlson
We can't recall how often he's written.
我们记不起来他每隔多久写一封信。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。