Slovak ⇄ Arabic Basque Bulgarian Catalan Chinese Croatian Czech Danish Dutch English Estonian Finnish French German Greek Hungarian Irish Italian Latvian Lithuanian Maltese Norwegian Bokmål Polish Portuguese Romanian Russian Slovene Spanish Turkish Ukrainian +

ekosystém permafrostu
environ.	冻土生态系统 生物社区与它们周围的无生命环境互动的系统，底部土壤四季不断结冰的气候区域。