永久冻土 Save Sign in to save words Traditional (Taiwan): 永久凍土 yǒngjiǔdòngtǔ ㄩㄥˇ ㄐㄧㄡˇ ㄉㄨㄥˋ ㄊㄨˇ permafrost Character by character 永(yǒng)forever 久(jiǔ)long 冻(dòng)freeze 土(tǔ)surname Tu A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0