Tundra



GRE Barron TOEFL

解释

GRE 红宝书

• n.冻原, 苔原
• ［英］ n.冻原, 苔原 ( rolling treeless plain in Siberia and arctic North America)

Webster Collegiate

noun

• Etymology: Russian, from Russian dialect (northeast) tundra, tundara, from Kildin Sami (Sami language of the northern Kola Peninsula) tūnter
• Date: circa 1841
• a level or rolling treeless plain that is characteristic of arctic and subarctic regions, consists of black mucky soil with a permanently frozen subsoil, and has a dominant vegetation of mosses, lichens, herbs, and dwarf shrubs; also a similar region confined to mountainous areas above timberline

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