- The team of whales work round the clock for the boom is short-lived.
时光短暂,座头鲸昼夜不停捕食 - Summer is already fading
短暂的夏天正逐渐消失 - and the whales will soon be forced north as winter returns.
很快冬季又到了 这些鲸鱼将不得不前往北方 - The sun's influence diminishes
太阳的威力逐渐减弱 - and the ocean starts to freeze.
海洋开始结冰 - The greatest seasonal change on our planet is underway.
我们这个行星上最显著的季节变化正在发生 - The ice grows at an extraordinary rate,
冰盖的面积以非凡的速度扩大