- Eruptions lasting thousands of years
持续数千年的喷发 - have repeatedly engulfed vast swathes of our planet.
反复地吞没地球上的广阔区域 - Pumping gases into the atmosphere,
向大气中排放气体 - changing the climate,
改变气候 - and, at worst...
在最糟糕的情况下 - ...causing global mass extinction.
导致全球大规模物种灭绝 - The world has rarely been stable.
地球很少呈稳定状态