Electricaldevices(仪器)couldsoonusepowermadebyhumanenerg...
问题详情： Electricaldevices(仪器)couldsoonusepowermadebyhumanenergy.Scientistssaytheyhavedevelopedanexperimentaldevicethatproduceselectricityfromthephysicalmovementofapersonwalking.BritishscientistMax...