爱迪生最初的精力主要放在对说话声音的复制上，然而时隔不久，爱迪生这项发明的音乐应用价值便为世人所认识，并被推向了市场。

While Edison concentrated at first mainly on the reproduction of voice, it was not long before the musical uses of his invention were recognized and marketed.//

youdao

爱迪生最初的精力主要放在对说话声音的复制上，然而时隔不久，爱迪生这项发明的音乐应用价值便为世人所认识，并被推向了市场。

While Edison concentrated at first mainly on the reproduction of voice, it was not long before the musical uses of his invention were recognized and marketed.//

youdao