包含telegraphoperator的词条

printing it in a freight car that also served as his laboratory For saving the life of a station official’s child， he was rewarded by being taught telegraphy While working as a telegraph operator， he m。

thomas edison was pelled to seek employment as a night telegraph operator 请翻译这句话参考书上的翻译是为了保持独立的经济来源，爱迪生不得不去当夜间电报员The。

一详细释义 ， n ， 电报，电讯 ， 例句 ，Among these were a relay booster for telegraph lines and a firesafety curtain for theaters，其中包括电报线路的继电调压器和剧院防火帘， 例句 ，Do you happ。

Edison became a telegraph operator after he saved threeyearold Jimmie MacKenzie from being struck by a runaway train Jimmie#39s father， station agent JU MacKenzie of Mount Clemens， Michigan， was so。