冻土 (凍土) dòngtǔ

dòngtǔ noun frozen earth; permafrost; tundra
Domain: Modern Chinese 现代汉语 , Subdomain: Geography
Notes: (CC-CEDICT '凍土')

Contained in

• 永冻土层(永凍土層) permafrost
• 永久冻土(永久凍土) permafrost
• 永冻土(永凍土) permafrost
• 冻土层(凍土層) permafrost; tundra; layer of frozen soil