- Within a few millennia,
在几千年内 - almost half the planet's ice had melted.
地球上几乎一半的冰已经融化 - Within a few more, it had entirely gone.
又过了几千年 冰完全消失 - For those who had sought refuge in the deep,
对于那些在深海寻求庇护的生物来说 - now was a chance to head back up.
现在有机会回到浅海 - Off the coast of modern-day Australia,
在今天的澳大利亚海岸边 - this is a young giant cuttlefish.
这是一只年轻的巨型墨鱼