spin echo

例句：

1. 1. The sound of the waves created a spin echo in the distance.
   海浪的声音在远处产生了旋转回声。
2. 2. The scientist used a spin echo technique to study the properties of matter.
   科学家使用旋转回声技术研究物质的性质。
3. 3.The music played on the radio had a spin echo that made it seem like the speakers were coming from far away.
   收音机里播放的音乐产生了一个旋转回声，让人感觉扬声器来自很远的地方。