| 释义 |
- n.冻土地带；草原；【地质学,地理学】苔原；冻土层
- 网络冻原；苔原地带；坦途
1. | 冻原，苔原（树木不生，底土常年冰冻的北极地区）the large flat Arctic regions of northern Europe, Asia and N America where no trees grow and where the soil below the surface of the ground is always frozen |
n. | 1. the level or nearly level treeless plain between the ice cap and the timber line of North America, Europe, and Asia that has permanently frozen subsoil 2. a large flat area of land without trees in very cold northern parts of the world |
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