How long can dolphins live?
问题描述:
How long can dolphins live?
Are dolphins friendly?
Do dolphins have a language?
How long can dolphins live?
How far can a dolphins swim in a day?
How fast can dolphins swim per hour?
How long do dolphins slep?
用英语!
还有一句
How do dolphins sleep?
还有一句,
how far can dolphins in the day》?
答
yes
yes
most of them can live twenty years
their speed can be 40kilometers perhour
their sleeptime is not fixed
they sleep when they are swimming
they can swim 600kilometers in the day