- The climate was switching into a new, colder state.
气候正在转入一个新的更寒冷的状态 - But that was just the beginning.
但这还只是一个开始 - As Antarctica became colder and more isolated,
随着南极变得更加寒冷与孤立 - the huge continent froze,
整个南极大♥陆♥冻住了 - locking up much of the planet's fresh water.
将地球上的大量淡水锁住 - As the world further north dried out,
随着世界北部进一步干旱 - it became a harsher, more difficult place to live.
它成为了 一个更恶劣、更难以生存的地方