permafrost

英 [ˈpɜːməfrɒst]

美 [ˈpɜːrməfrɔːst]

n.  (寒带)永冻土层; 永冻层

BNC.41317 / COCA.21966

牛津词典

noun

• （寒带）永冻土层；永冻层
  a layer of soil that is permanently frozen, in very cold regions of the world

柯林斯词典

• 永冻土层；永冻层
  Permafrostis land that is permanently frozen to a great depth.

英英释义

noun

• ground that is permanently frozen

双语例句

• Study on Subgrade Filling and Foundation Soil in Permafrost Region along the Qinghai-Tibet Railway
  青藏铁路冻土区路基填料及地基土研究
• 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。
• Cover Story: Gas hydrate from Qilian Mountain Permafrost, Qinghai Province.
  封面故事：青海省祁连山的天然气水合物。
• In permafrost region, the key about the stability of earth structure is itself thermal stability.
  在多年冻土地区，土工结构稳定的核心是结构自身的热稳定性。
• These trees put their roots down in the permafrost.
  这些树扎根于永久冻土中。
• 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形成，其中包含了巨量的冻僵的有机物。
• Application Analysis of Heat Pipe in Permafrost Subgrade by Numerical Simulation
  热管在冻土路基中应用的数值模拟分析
• Dr Lawrence and researchers at National Snow and Ice Data Centre used computer models to analyse how the loss of sea ice could influence rising air temperatures and the melting of permafrost.
  劳伦斯和美国国家冰雪数据中心的研究人员利用计算机模型分析了海冰的缩减对气温上升和永久冻结带融化的影响。
• Canadian researchers expressed serious concerns about the erosion of permafrost in the Arctic.
  加拿大研究人员对北极地区永冻层的侵蚀表示严重关切。
• Influence of Snow Cover on the Lower Limit of Permafrost in Altai Mountains
  我国阿尔泰山地区雪盖对多年冻土下界的影响