acousma

例句：

1. 1. The sound of the bell woke me up.
   钟声把我叫醒了。
2. 2.Vibration is the transfer of energy from one object to another.
   振动是从一个物体到另一个物体的能量传递。
3. 3. Sound waves travel through the air at different speeds depending on their frequency.
   声波以不同的速度通过空气传播，这取决于它们的频率。