磨石粗砂岩 móshícūshāyán millstone grit Definitions Defs Origin Strokes Stroke Words Sentences Sents 磨石 móshí millstone large circular stone used in a mill for grinding grain粗砂 cūshā grit coarse sand or grit岩 yán noun rock (geology) rock; mineral aggregate that makes up the earth's crust
