我们发现了鲨鱼，看到了海豚。
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.
那里我们发现了另外一种海豚，就是电视上常见到的那种普通海豚，银白色的皮肤，尖尖的嘴巴。
We found another kind of dolphins there, just the normal ones we saw often on TV, the silvery skin with sharp mouth.
那里我们发现了另外一种海豚，就是电视上常见到的那种普通海豚，银白色的皮肤，尖尖的嘴巴。
We found another kind of dolphins there, just the normal ones we saw often on TV, the silvery skin with sharp mouth.
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