这个湖冬天全部封冻。
天气冷得河都封冻了。
湖面完全封冻了。
波罗的海5月时仍然处在封冻状态。
冰结得越来越厚，船被封冻在里面。
这个湖通常到了一月中旬就封冻了。
吉姆开始在封冻的湖面上敲冰。
冰河时代为什么地球没有完全封冻？
那个港口一到冬季就会封冻。
七点钟，我们到达了一座封冻的小湖岸边。
河流封冻时，我们可以踏着冰穿过河面。
港口为大量冰块所封冻。
小溪已经封冻，你可以看到封冻在冰里的鱼。
The stream has frozen up, you can see the fish trapped in the ice.
考 虑到池塘封冻，这倒是一件幸运的事。
有时在陡峭的山坡上和有时穿过封冻的湖面。
夜里湖面被冰封冻。
湖面封冻后，你就可以踏冰越过湖面到那些岛上。
When the lake gets iced over, you can walk right across it to the islands.
为什么这条河在这么冷的天也不封冻还是一个问题。
Why the river is not frozen in such cold weathers still a question.
春季解冻期的土壤水则来源于上一年的土壤封冻水。
During the period of thawing in spring, water in soil comes from freezing water in the previous year.
封冻期径流成分按补给来源分主要以地下水补给为主。
Based on the supplying resources, ground water was considered as the primary resource to the main runoff in the freezing period.
科学家一直在观察，年复一年冰川正逐渐失去重新封冻的活力。
Scientists have been watching the ice return with less vigor year after year.
红色代表变暖的趋势：融冰期提早，封冻期后延，融冰季节变得更长。
Red indicates trends consistent with warming: earlier melt onset, later freezes, and longer total melt season.
而且冬天快要到了，要知道在严寒封冻的时候，是很难做木工活的。
But it must not be forgotten that winter is drawing near, and that in severe frost wood is difficult to work.
冰川在冬季的重新封冻能力变得越来越弱，促使越来越多的风险暴露在来年。
The ice that does return in winter has tended to be thinner, prompting more profound exposure the following year.
现在正准备在封冻了的湖边上的木屋餐馆吃午餐，所以想着给你打个电话。
Just about to have lunch at this log cabin restaurant on the edge of a frozen lake, so I thought I 'd give you a call.
沃斯·托克湖是一个巨大的液态湖泊，它被封冻在冰层下长达四十多万年。
Lake Vostok is a massive body of liquid water buried under the ice for 400,000 years.
根据地下水退水的一般规律，提出了针对天然河道封冻期流量推求方法的建议。
According to the general pattern of ground water lowering, this paper suggested a volume calculation method in the natural river courses in the freezing period.
这景色与我在冬日铁灰色的苍穹下，冰霜封冻、积雪覆盖时看到的情景多么不同呀！
How different had this scene looked when I viewed it laid out beneath the iron sky of winter, stiffened in frost, shrouded with snow!
这景色与我在冬日铁灰色的苍穹下，冰霜封冻、积雪覆盖时看到的情景多么不同呀！
How different had this scene looked when I viewed it laid out beneath the iron sky of winter, stiffened in frost, shrouded with snow!
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