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permafrost

/ˈpɜː.mə.frɒst/

翻译: 指在极地或高海拔地区,温度连续两年或两年以上保持在冰点或以下的土壤或岩石层。

1 个条目

noun

/ˈpɜː.mə.frɒst/C1formal
  • zh指在极地或高海拔地区,温度连续两年或两年以上保持在冰点或以下的土壤或岩石层。

A noun referring to ground, typically in polar or high-altitude regions, that remains at or below freezing point for at least two consecutive years.

不可数

  1. Permanently frozen groundB2formalscientific

    A layer of soil or rock that remains at or below freezing point for at least two consecutive years, typically found in polar regions.

    zh永久冻土

    • Climate change is causing permafrost to thaw at an alarming rate.
    • Buildings in Siberia are specially designed to withstand the shifting permafrost.
    • Scientists study permafrost to understand ancient climate conditions.
词形
  • permafrosts plural form
  • permafrosts' possessive plural form
  • permafrost's possessive singular form