- creating the space for new ocean currents...
为新的洋流创造了空间 - that helped drive a global cooling.
这有助于推动全球变冷 - 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