These animals were not as sensitive to climatechanges in the Cretaceous period as they are today.
这些动物在白垩纪对气候变化不像今天这样敏感。
2
As the earth's climatechanges and rainfall becomes even less predictable in some places, those answers will grow even more valuable.
地球气候发生变化，部分地区的降雨变得更加难以预测，所以这些答案将变得更有价值。
3
Bones disintegrate, the land erodes, the climatechanges, forests come and go, rivers change their course — and history, if not destroyed, is steadily concealed.