纪录片《冰冻星球》 第62期 最后的边疆（10）（在线收听）

Nobody yet knows the answer.

没人知道答案

This is just one of the many strange mysteries

这里有众多神秘待解之事

that draw people to work in a place

吸引人们来此危险之境探究

that is so hostile to human life.

以上只是其中之一

While some scientists come to Erebus

一些科学家来到埃里伯斯火山

to explore its bizarre ice caves,

探索它奇异的冰洞

others visit the volcano

另一些人则去了火山

to study the innermost workings of our planet.

研究我们星球最深处的情况

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

but even so,

但即便如此

volcanologists work on the very rim of its crater.

火山学家仍旧在火山口边缘工作

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

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

This is a rare glimpse of

一般情况下很难见到

the molten rock that lies beneath the earth's crust.

这种位于地壳下的岩浆