- 正在播放《第七大陆：南极洲》第06集 - 线路二节点
- 提醒不要轻易相信视频中的任何广告，谨防上当受骗
- 技巧如遇视频无法播放或加载速度慢，可尝试切换播放线路
剧情：
At -100 degrees F, you can burn up to 5,000 calories a day, and with winter at less than 1% humidity, your body will lose water just breathing. This is Antarctica, where close-knit communities of scientists, engineers, and hardened field vets have forged an existence unlike anything on our planet, fighting brutal conditions to conduct crucial science.
