关于Dolphinsliveinadarku的百科

• Dolphinsliveinadarkunderwaterworld.It’softenimpossiblet...

• 问题详情：Dolphinsliveinadarkunderwaterworld.It’softenimpossibletoseeeachotheroranythingelsearoundthem,sosoundplaysanimportantroleintheirsurvival.Tocommunicatewitheachother,dolphinsproduceallkindsofsounds.Onlyotherdolphinsunderstandwhatthesoundsmean.S...
• 2020-10-1229882