radiotelegraphy

🇬🇧/ˈreɪdɪəʊtəˈleɡrəfi/ 🇺🇸/ˌreɪdioʊtəˈleɡrəfi/ 11
radiotelegraphy, radio communication by means of Morse Code or other coded signals.

noun [专属名词]无线电报

The words of radiotelegraphy and electromagnetic wave first appeared in Shiwubao;《
时务报》最早出现“无线电报”以及“电浪”(电磁波)一词;

单词造句: