短語詞組短語frozen n ground 凍結(jié)地層detachment of frozen ground 不銜接多年凍土permanently frozen ground 永凍地;永凍土saline frozen ground 鹽漬化凍土mechanics of frozen ground 凍土力學alpine frozen ground [地質(zhì)]高山型凍土plateau frozen ground 高原凍土Scasonal frozen ground 季節(jié)凍土seasonally frozen ground [土壤]季節(jié)性凍土;季節(jié)凍土;我們稱這種凍土為 返回 frozen ground