虽然这样的集体捕猎很少见
[00:07:50]scientists believe they may be the most
科学家们相信
[00:10:01]complex ever documented in the natural world.
这在自然界中也是最复杂的情况
[00:13:36]They were first witnessed by Captain Scott and his men
一百年前斯科特船长和他的船员们
[00:16:40]when they came to explore Antarctica 100 years ago.
在探索南极洲时 首次目睹了此景
[00:24:15]Journeying further south,
继续向南航行
[00:26:08]the fragmenting ice is replaced by a permanent sheet
碎冰被永恒不变的冰原取代
[00:29:57]that doesn't melt even at the height of summer.
即使在夏日酷暑中也不会融化
[00:34:21]It's a barrier that many creatures find impassable.
它是许多生物不可逾越的障碍
[00:40:17]It repels even powerful minke whales.
即使是强大的小须鲸也不行
[00:43:35]They have to turn back if they can no longer reach the air
如果它们得不到所需的空气
[00:46:20]they need to breathe.
就不得不回头
[00:54:34]Under the ice, life has to be extremely specialised to survive.
在冰下 生物必须适应力极强才能生存
[01:02:56]Few of us will ever experience this strangely-still world,
鲜有人有机会探索这个极度寂静的世界
[01:07:57]and, as yet, no-one knows much about it.
到目前为止 人类对此仍所知寥寥
