永久冻土的英文

ground frost

perennial frost

perennially frozen ground

pergelisol

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例句与用法

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Perhaps this is caused by the sudden melting of subsurface permafrost .
可能是地下永久冻土突然融化所造成。
In permafrost areas in the soviet union or canada or alaska, ice has been used effectively for walling and roofing .
在苏联、加拿大或阿拉斯加的永久冻土地区，冰一直很有效地用来做墙和屋顶。
As permafrost gets warmer , it could become wetlands
永久冻土变得更加温暖时，将变成湿地。
The polar ice caps are made of frozen water and carbon dioxide , and water may be frozen in the ground as permafrost
极地冰帽是由固态水和二氧化碳组成的，水也有可能存在于永久冻土之中。
When scientists fly into remote areas of siberia to study permafrost , they gaze down on an endless expanse of arctic lakes
当科学家们飞到遥远的西伯利亚研究永久冻土带时，他们发现了一处一直在膨胀的北极湖。