I plunged into the alphabet-soup world of digital television( DTV) in2003, shortly after I replaced my electron-gun boob tube with a42- inch plasma flat panel.是什么意思_I plunged into the alphabet-soup world of digital television( DTV) in2003, shortly after I replaced my electron-gun boob tube with a42- inch plasma flat panel.在线翻译_英语_读音_用法_例句