Particularly in the world of sea ice, the rate of natural change is outstripping predictions of just a few years ago, and the processes either are accelerating or the predictions were too low to begin with.
特别是在海洋冰川的世界里， 自然变化的速度已经超过了才几年前的预测 或者说这些过程在加速 或者说这些预测一开始就太慢了。