The fear is that melting ice, along with increased snow and rain, could reduce the density and salinity of the top layers of the sea, making them more buoyant.
人们担忧的是正在融化的冰和不断增加的雨雪可能降低海洋表层水体的密度和盐度，导致其更容易滞留在海洋表层。
Getting there took me through two days of snow, ice and below-freezing camping conditions, using crampons, an ice axe, and more layers than I thought I owned.
经受着冰雪和低温的考验，在鞋底钉和冰斧的帮助下，我用了整整2天的时间才终于成功登顶。
Visitors to Harbin's popular ice and snow festival should dress in layers -- and don't be surprised if you're digital camera acts up because of the cold weather.
参加哈尔滨冰雪狂欢节的游客需要多穿几件衣服，当数位相机停止工作时，你也不必惊慌，因为那儿的天气实在是太寒冷了。
So blankets of snow and ice grains mounted layer upon layer and were of such great thickness that the weight of the upper layers compressed the lower ones.
因而雪花覆盖层和冰粒层层堆积起来直到如此之大的厚度以致较上层的重量压缩较下层。
Many thick layers of snow melt and become pure snow water, not as the sea water and ice have saline taste after being melted.
一层又一层厚厚的积雪融化以后将成为纯净的雪水，不像海水冰融化以后带有咸味。
Many thick layers of snow melt and become pure snow water, not as the sea water and ice have saline taste after being melted.
一层又一层厚厚的积雪融化以后将成为纯净的雪水，不像海水冰融化以后带有咸味。
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