[00:00:25]Nobody yet knows the answer.
没人知道答案
[00:03:13]This is just one of the many strange mysteries
这里有众多神秘待解之事
[00:06:04]that draw people to work in a place
吸引人们来此危险之境探究
[00:08:07]that is so hostile to human life.
以上只是其中之一
[00:17:48]While some scientists come to Erebus
一些科学家来到埃里伯斯火山
[00:19:56]to explore its bizarre ice caves,
探索它奇异的冰洞
[00:23:12]others visit the volcano
另一些人则去了火山
[00:24:45]to study the innermost workings of our planet.
研究我们星球最深处的情况
[00:33:56]Erebus is one of the most active volcanoes on Earth,
埃里伯斯地球上最活跃的火山之一
[00:37:41]but even so,
但即便如此
[00:38:26]volcanologists work on the very rim of its crater.
火山学家仍旧在火山口边缘工作
[00:43:49]They stand in the bitter cold, while 100 metres below them
他们身处苦寒之中  而脚下一百米处
[00:47:52]is a lava lake where temperatures are over a thousand degrees centigrade.
却是一个温度超过一千摄氏度的熔岩湖
[00:55:48]This is a rare glimpse of
一般情况下很难见到
[00:58:17]the molten rock that lies beneath the earth's crust.
这种位于地壳下的岩浆