HomeDictionary层层层层Wordlayer upon layerTraditional層層Copy wordcéng céngceng2ceng2Hear itMeaninglayer upon layer CC-CEDICTCharacters in 层层层céngWords with 层层层层传达céng céng chuán dáto send down the lineWord层层加码céng céng jiā mǎto increase bit by bitWord密密层层mì mi céng céngtightly packedWord