ring back tone

例句：

1. 1. The sound of the bell echoed through the hall.
   钟声在大厅里回荡。
2. 2. The music reverberated off the walls.
   音乐在墙上回响。
3. 3. The echoes of her laughter lingered in the air.
   她笑声的回音在空中徘徊。