[地]永久冻结带英释中释na layer of soil that is always frozen in countries where it is very cold
1 permafrost table,[地质]永冻土面
1 Yakutsk is the largest city in the world built on permafrost – soil that remains permanently frozen year round..雅库茨克是世界上建设在永久冻土上最大的城市——土壤在全年都保持冰冻。
更新时间:2025-04-04 03:49:54