Yet the planet didn't just support large numbers of dinosaurs, 然而 地球不仅支撑了大量的恐龙
the planet has pushed life to the very edge of existence. 地球将生命推到了灭绝边缘
Our changing planet has created so many challenges for life. 我们不断变化的星球 为生命制♥造♥了诸多挑战
have repeatedly engulfed vast swathes of our planet. 反复地吞没地球上的广阔区域
would go on to change our planet like nothing before. 将以前所未有的方式改变我们的星球
Perhaps uniquely, our planet had just the right conditions. 也许我们的星球 独一无二地具备了适宜的条件
you can still find clues to the origins of life on our planet. 你依然能够找到 我们星球上的生命起源线索
Two million years ago, and our planet is a very different place. 200万年前 我们的星球与现在完全不同