Dolphinshavebeenknowntoplaysometimeswithandcarryspong...
问题详情: Dolphinshavebeenknowntoplaysometimeswithandcarrysponges(海绵)overtheirnoses,butresearchershavebeenatalosstoexplainpreciselywhy. Now,arecentstudybyAustralianresearchersmayhaveuncoveredth...