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

单词	relict permafrost
释义	relict permafrost [`rel·ikt `pǝr·mǝ´frȯst] ^GEOLOGY Permafrost formed in the past which persists in areas where it would not form today.
随便看	foundry sand foundry type fountain fountain effect fourable fourable board four-address four-ball tester four-bar linkage fourble Fourcault process four-channel sound system fourchite four-color printing four-color problem four-color separation process four-course radio range station four-current density four-degree calorie Fourdrinier machine four-factor formula four-force four-frequency diplex telegraphy four-hundred-day clock fourier

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