Read Edit View history 冻土层 dòngtǔcéng permafrost Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 冻土层/ 凍土層 dòngtǔcéng permafrost layer of frozen earth or soil; tundra Edit Delete References Add reference classifier 冻土层/凍土層 → 层/層 Edit Delete