Read Edit View history 地层 dìcéng stratum Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 地层/地層 · dìcéng · stratum 2026/03/04 地层 / 地層 dìcéng stratum stratum (geology) 这个地层含有丰富的化石。 noun created sense Mar 4, 2026, 02:25 AM