They might do it in captivity, but in the wild -- So we built a portable keyboard that we could push through the water, and we labeled four objects they like to play with, the scarf, rope, sargassum, and also had a bow ride, which is a fun activity for a dolphin.  And that's the scarf whistle, which is also associated with a visual symbol.
人工饲养的时候，可能会，但是在野外-- 所以我们开发了一个可以在水中工作的移动键盘 然后我们在上面标注了四种它们喜欢的玩具， 围巾，绳索，海藻以及一个“bow ride” 对海豚来说，很好玩。 刚刚那个是围巾口哨声， 和一个视觉的符号联系了起来。