optical sound

例句：

1. 1. The researchers used a device to detectthe optical sound waves in the air.
   研究人员使用了一种设备来检测空气中的光学声波。
2. 2. The optical sound waves were pickedup by the microphone and sent to thecomputer.
   光学声波被麦克风捕捉并发送到计算机。
3. 3. The optical sound waves wereused to transmit information over long distances.
   光学声波被用来在远距离上传输信息。