“active permafrost”的概念、定义、翻译、参考文献-科学参考

单词	active permafrost
释义	active permafrost [`ak·tiv `pǝr·mǝ´frȯst] ^GEOLOGY Permanently frozen ground (permafrost) which, after thawing by artificial or unusual natural means, reverts to permafrost under normal climatic conditions.
随便看	bronchiolar carcinoma bronchiole bronchiolitis bronchiolitis obliterans bronchitis bronchoconstriction bronchoconstrictor bronchodilation bronchodilator bronchoesophagology bronchofiberscope bronchogram bronchography bronchopneumonia bronchorrhea bronchoscope bronchospasm bronchospirometry bronchus brontides brontophobia Brontotheriidae Brontotherioidea bronze bronze mica

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