接着，我们用一个水下扬声器将电子合成声播放给海豚听，发现它们有强烈的反应。

Then we played it back to the dolphins through an underwater speaker and we found they responded strongly.

youdao

接着，我们用一个水下扬声器将电子合成声播放给海豚听，发现它们有强烈的反应。

Then we played it back to the dolphins through an underwater speaker and we found they responded strongly.

youdao