世人皆知,著名的大音乐家贝多芬晚年完全失聪后,为了“听”音乐,将一根硬棒的一端抵在钢琴盖板上,另一端咬在牙齿中间,靠硬棒的振动来“听”钢琴演奏。这看起来有点不可思议,其实有科学道理。 It is well-known that after the famous big musician Beethoven had completely deafness in his later years, in order to listen to the music, one end of a hard rod was placed on the piano cover and the other end was bitten in the middle of the tooth by the vibration of the hard rod Come “Listen ” to the piano. This looks a little weird, in fact, scientific truth.