0ut on the sea ice, the female can hunt for seals 雌熊有可能在海冰上捕食到海豹
to face the coldest, darkest winter on Earth. 来抵抗这地球上最寒冷、最黑暗的冬天
the exhausted females now return to the ocean on their own, 精疲力竭的雌企鹅们独自返回海洋
any male would struggle to stay on top. 任何雄企鹅都会拼命留在上面
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
Antarctic petrels now join the most southerly bird colony on Earth. 南极雪海燕的领地在地球的最南方
As they battled on, the ice became increasingly dominant, 他们继续南上 触目皆是寒冰