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
But for those who lived back in the Ice Age, 但是对于生活在冰河时期的生物来说
Any disturbance, and for the briefest of moments, they light up. 任何扰动 都会在瞬间点亮这些浮游生物
One that would last for 200,000 years. 这个时期将持续20万年
For the inhabitants of Earth's once tropical waters, 过去地球上热带水域的“居民们”
But for now, vertebrates are only at the beginning 但是现在脊椎动物仍处于
It's searching for one of the ancient ocean's greatest sights... 它在寻找 古代海洋中最壮观的景象之一
For those still stuck on the seabed, 对于那些仍困于海床上的生物来说