Which word is defined as 'an Arctic plain with permanently frozen subsoil'?
苔原 Arctic Tundra Tundra snow Tundras Ice and mountain biome Tundra Tundra Biome Arctic tundra Tundra climate Ice desert Polar grassland Polar Grassland
tundra climate 苔原 tundra ice and mountain biome tundra biome tundra snow tundras polar grassland arctic tundra ice desert
tundra
WikipediaEntity
Tundra