Read Edit View history 镁砂 měishā magnesia Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 镁砂/鎂砂 · měishā · magnesia 2026/03/04 镁砂 / 鎂砂 měishā magnesia magnesium oxide (refractory material) 这种高温窑炉使用了高纯度的镁砂。 created sense Mar 4, 2026, 02:25 AM