- But just as their ancestors were beginning to make progress,
但正当它们的祖先开始取得进展时
- 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
来自《我们星球上的生命 第一季 第七集 Life on Our Planet S01E07 地球继承者》第 84 行