echo sonoscope

例句：

1. 1. The sound of the waves echoed through the valley.
   海浪的声音在山谷中回荡。
2. 2. The echoes of her laughter still linger in my memory.
   她笑声的回响仍然留在我的记忆中。
3. 3. The echo of the gunshots was heard from afar.
   远处传来了枪声的回声。