radiotelegraphy的翻译，读音
英/'reidiәutә'le^rәfi/
释义：
n. 无线电报
n telegraphy that uses transmission by radio rather than by wire
n the use of radio to send telegraphic messages (usually by Morse code)
n telegraphy that uses transmission by radio rather than by wire
n the use of radio to send telegraphic messages (usually by Morse code)