- the warm, wet conditions in which they had thrived began to change.
曾令它们兴旺发展的暖湿条件 开始发生变化 - The Antarctic landmass started to split away from South America...
南极大♥陆♥开始从南美洲分离 - 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
that helped drive a global cooling. 这有助于推动全球变冷
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