Electricaldevices(儀器)couldsoonusepowermadebyhumanenerg...
問題詳情: Electricaldevices(儀器)couldsoonusepowermadebyhumanenergy.Scientistssaytheyhavedevelopedanexperimentaldevicethatproduceselectricityfromthephysicalmovementofapersonwalking.BritishscientistMax...