Recent extremes are not a " new normal, " scientists say, but likely evidence of the end of any kind of normal or stable climate altogether.

科学家们说，最近的极端天气并不是“新常态”，而是所有的正常或稳定的气候都可能终结的证据。

That means that not only is the ice melting very fast, it has more time to melt this summer than it would in a normal climate system.

这意味着不仅冰盖融化的速度非常快，而且今年夏天冰盖融化的时间比正常气候系统下的时间要长。