Read Edit View history 煤层 méicéng coal seam Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 煤层/煤層 · méicéng · coal seam 2026/03/04 煤层 / 煤層 méicéng coal seam a layer or stratum of coal found between other layers of rock 这里的煤层埋藏得很浅〒 noun created sense Mar 4, 2026, 02:25 AM