英文里SOUND 是
a.Vibrations transmitted through an elastic solid or a liquid or gas, with frequencies in the approximate range of 20 to 20,000 hertz, capable of being detected by human organs of hearing.
b. Transmitted vibrations of any frequency.
c. The sensation stimulated in the organs of hearing by such vibrations in the air or other medium.
d. Such sensations considered as a group.
而田野说的声音是听觉对声波的反应,对应上边的C,D.