Read Edit View history 磨石粗砂岩 móshícūshāyán millstone grit Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 磨石粗砂岩 · móshícūshāyán · millstone grit 2026/03/04 磨石粗砂岩 móshícūshāyán millstone grit millstone grit 这种磨石粗砂岩质地坚硬，常被用于制造磨盘。 created sense Mar 4, 2026, 02:25 AM