Not only do melting snow and ice flow directly into the sea, they also form torrential under-ice streams that lubricate the passage of glaciers toward the ocean.
融化的冰雪不仅直接流入大海，还在冰下形成湍流，为冰川滑向海洋大开方便之门。
2
Under very cold conditions, rocks can be shattered by ice and frost.
在非常寒冷的条件下，岩石会被冰霜击碎。
3
The movement of the ocean water under the ice may often cause many different changes on the surface.