层层 céngcéng layer upon layer Definitions Defs Origin Strokes Stroke Words Sentences Sents céngcéng layer upon layer 层 層 céng reduplication to pile up (literary) To overlap; to pile one on top of another; repeatedcéngcéng level by level 层 層 céng reduplication level A stage, grade, or tier within a hierarchy, organization, or abstract structure
