The world at the time was divided into two implacably opposed blocks and the Cold War was at its iciest.

那时世界分成势不两立的两大阵营，冷战正处在冰点。

The coldest, driest, and iciest of Earth's continents, Antarctica is home to some of the most important and ambitious science projects on the planet.

南极洲是地球上最冷，最干燥，也是有最多冰的大陆。在这里进行着一些可以说是这个星球上最为重要也最为野心勃勃的科学计划。