telegraph on radio

• 无线电报

telegraph on radio的用法和样例：

例句

1. When Marconi invented his wireless telegraph, he never imagined broadcast radio.
   当马可尼发明无线电报的时候，他从未想到以后会出现无线电广播。
2. Wireless telegraphy, the phonograph and the radio are based on this law.
   无线电报，留声机和无线电广播都基于这个法则。