Besides being steady and strong, downslope winds can also be cold, and the frigid wind over the ocean surface has helped form fresh sea ice in areas where older ice was blown out to sea.

下行风除了强烈和稳定，还具有低温的特点，这股寒流风吹过海面之后，在那些已形成海冰被吹出海域的地方，新的海冰就形成了。

youdao

So we can infer that the aim of the periodicity of Ice Age is to store up fresh water for all living things on the earth.

因此我们可以推断：冰河期产生的目的一定是为地球上的所有生物蓄积足够的淡水。

youdao

A fresh crack. If you stand in silence, then you can hear the ice pop.

新的裂痕。如果你静静地站着，可以听见冰块破裂的声音。

youdao