telegraphn.电报；电报机vt.打电报；显示telegraph receive[电] 收报机telegraph sounder电报发声器,响码器telegraph relation电报交换telegraphic adj.电报的；telegraph receivern.收报机telegraph selector电报选择器telegraphic speech电报式语言telegraph emission电报发射telegraphic report电讯报表telegraph waveform电报波形