His inventions and innovations included batteries, cement mixer, the soundrecording telephone, double- and multi-type cable system, railways used brakes.
他的发明和革新包括蓄电池、水泥搅拌机、录音电话、双工式和多工式电报系统、铁路用制动器等。
2
American inventor Thoms Edison, who was considered the father of soundrecording, developed the phonograph in 1877, the first device to record music in the world.
被誉为录音之父的美国发明家托马斯·爱迪生于1877年发明了留声机，这是世界上第一台录音设备。
3
Soundrecording is available as well, and you can even use the watch as a USB drive for portable storage that's always within reach.