Dolphinshavebeenknowntoplaysometimeswithandcarryspong...
問題詳情： Dolphinshavebeenknowntoplaysometimeswithandcarrysponges(海綿)overtheirnoses,butresearchershavebeenatalosstoexplainpreciselywhy. Now,arecentstudybyAustralianresearchersmayhaveuncoveredth...