permafrost
美 [ˈpɜrməˌfrɔst] 
英 [ˈpɜː(r)məˌfrɒst]
英汉双解
1. | （寒带）永久冻土，永冻土，多年冻土a layer of soil that is permanently frozen, in very cold regions of the world |
英汉解释
英英解释
例句
Permafrost is basically dirt that's been permanently frozen for hundreds or thousands of years, much of it since the last ice age.
永久冻土层基本上是已经被持久冻结数百或数千年的泥土，其中大部分是自上一次冰河时期。
How much methane and carbon dioxide might be released from the rotting permafrost?
一个腐烂的永久冻土层将释放出多少甲烷和二氧化碳？
"There's quite a bit of truth in it, " Julian Murton, member of the International Permafrost Association, told Reuters.
“这里面有相当多的真理，”国际冻土协会委员朱利安默顿告诉路透社记者。
What was unusual about this was that Torrington had been dead for 138 years, buried under 1. 8 meters of Arctic permafrost.
非同寻常的是托林通早在一百三十八年前就死了，葬于北极1.8米深的永久冰土下面。
As a high-effective heat conduction set, thermal probe can be used for enhanced thermal stability of building basement in permafrost .
热棒是传热效率很高的热导装置，适合于增强青藏高原多年冻土区建筑物地基的热稳定性。
Vegetation coverage directly involved in and influences the active layer of permafrost alpine hydrological cycle and its evolution trend.
地表植被覆盖直接参与和影响着高寒草甸冻土活动层的水文循环过程及其演变趋势。
"The permafrost, the constantly frozen layer of earth that protected them up until now, is melting, " he said.
“陈年冻土，这个一直保护遗迹至今的冰冻的土地表层正在融化”他说。
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。
A recent study suggests, however, that permafrost ices below the surface of Mars may have altered the effects of impact on it.
但是，近来的研究表明，火星土层表面下的永久冻结冰可能改变了这种冲击效应。
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。
This correlates well with the doubling of permafrost temperature and a decrease in the stability of the tundra surface in the region.
这在这个区域很好关联与加倍永冻土温度和在寒带草原表面的稳定的减退。
The presence of sea ice and of permafrost helps protect Arctic barrier islands for much of the year.
海冰和冻土层的出现很多年来帮助保护了北极障壁岛。
The sediments would release a lot of nutrients normally locked up in permafrost into freshwater cycles.
沉积将发布在永冻土通常锁的很多营养素入淡水周期。
Different explanations have been offered for these fluxes, including emissions from fires, wetlands, melting permafrost, and plants.
针对这些排放量变化有着不同的解释，包括来自燃烧物，湿地，融化的冻土和植物的排放。
The permafrost contains immense amounts of frozen organic matter that have been accumulating for millennia.
永久冻土层经过千万年的累积，包含了巨量的冻僵的有机物。
Block stones were used to protect permafrost from thawing by air convection effect in the embankment of Qinghai-Tibet Railway.
青藏铁路广泛采用的块石护坡和块石路基是通过空气对流降低路基的温度起到保护冻土的作用。
Vast reaches of the planet have been locked for millennia in stunning permafrost formations. But perhaps not permanently.
这片广袤的大地已经被冰封了数千年之久，但也许不会永久。
It also can be released directly as stored methane already in the permafrost is released as it thaws.
冰冻在永冻层中的甲烷也能随着永冻层的融化而释放。
trees and soils, methane could be coming out of the permafrost in Siberia.
树木和土壤，西伯利亚永冻层的甲烷也会跑出来。
They've survived for millennia in desert, in the permafrost, at the tops of mountains and at the bottom of the ocean.
它们存活了上千年在沙漠中，永久冻土层中，在群山之巅或是汪洋之底。
Research into the whereabouts of the missing water points to the probability that permafrost underneath the lakes thawed out.
研究发现，消失的湖水失踪之处，可能是湖下解冻的永久冻土层。
Their growth will likely counterbalance some of the increased emissions from melting permafrost.
植物的生长或许可以在某些程度上平衡由于永久冻土融化而不断增加的碳排放。
The Storflaket permafrost plateau bog near Abisko in northern Sweden shows cracks at its borders due to thawing of the permafrost.
在靠近瑞典北部阿比斯库的Storflaket高原多年冻土沼泽由于冻土融化在其边缘处出现了裂缝。
is developing cracks in its concrete structures while its permafrost foundation is sinking and cracking, state press said yesterday.
州府新闻说，这个铁路混凝土结构现出现裂缝，冻土地基正在下沉和出现断裂现象。
As mentioned above, there is no reliable technology for the field observation of the unfrozen water in permafrost.
如前所述，冻土中未冻水的野外观测还没有可靠的技术。
Microbes in permafrost have successfully adapted to cryogenic stress in morphologic, physiological and biochemical levels.
低温胁迫下，冻土中微生物从形态、生理和生化水平发展了特殊的耐受机制。
An exposed wall of ice-rich permafrost dwarfs a researcher along the coast of Herschel Island in the Yukon Territory of Canada.
一个含富冰层的永久冻土的裸露悬崖使得沿着加拿大育空地区赫歇尔岛海岸行走的研究员显得格外矮小。
Warming temperatures may also help uncover archaeological evidence buried under permafrost.
温暖的气候也会帮助揭开哪些尘封在冻土之下的考古真相。
The methane and carbon dioxide levels will increase as a result of permafrost degradation.
由于冻土退化，甲烷和二氧化碳水平将会增加。
And the reliability of foundation in permafrost regions is susceptible to temperature, which shall be taken into account in design.
同时气温持续升高对多年冻土区的基础可靠性有强烈影响，设计时应予以考虑。
Reasearch into the whereabouts of the missing water points to the probability that permafrost underneath the lakes thawed out.
人们对消失水域周围地带的考察表明这些湖泊下面的永久冻土有可能已经解冻。
Natural gas hydrate, which deposits on the ocean floor or in permafrost regions in vast quantities, is a potential future energy resource.
天然气水合物广泛存在于海底和冻土等极地环境中，是未来潜在的新型天然气能源。
The Yellow River source is situated in the hinterland of Qinghai-Tibet Plateau, belonging to middle latitude mountainous permafrost zone.
黄河源头地处青藏高原腹地，属中纬度高山多年冻土带。
"But other countries try to avoid building cities on permafrost, " the scientist says.
其它国家都避免把城市建在永久冻土带上。
The continuing retreat of glaciers, permafrost and sea ice is expected, with the Arctic region being particularly affected.
冰川、冻土、海冰有可能不断退缩，北极地区影响尤为严重。
Permafrost in the Altai Mountains in central Asia, sea ice in Alaska and glaciers in the Rocky Mountains were studied for the research.
中亚的阿尔泰山冻土，阿拉斯加的海冰遗迹，落基山山脉冰川等众多地域均列于此项研究之中。
Methane is released when organic material in the thawing permafrost decomposes, which gradually releases methane.
当永冻层融化，其中的有机物质分解就会释放甲烷。
Underneath the permafrost are stores of methane, the same as the natural gas people use for cooking and heating.
永冻土层底部储存了甲烷气体，同人们做饭取暖用的天然气是一样的。
The coarse-grained soil as embankment fill can meet the basic condition of heat transfer theory to uplift artificial permafrost table.
粗颗粒土作为填料可以满足路堤人为上限抬升的基本传热学条件；
To solve the technique problem of wet jet concrete in permafrost tunnel construction, composite fast concreting medicament is developed.
为了解决冻土隧道湿喷混凝土技术难题，研制了复合型抗冻速凝剂；
