The mammals had gone from tiny land animals... 哺乳动物从微小的陆地动物
Richer than anything that had gone before... 比任何已经灭绝的物种都更为丰富
With the dinosaurs gone, they were free to come out in the open. 恐龙灭绝之后 它们可以自♥由♥地出来活动
Some parts have gone decades without a drop of rain, 有些地方数十年没下过一滴雨
Within a few more, it had entirely gone. 又过了几千年 冰完全消失
we'll meet many of the 99% that have gone extinct... 我们将遇见 已经灭绝的99%中的许多物种