Read Edit View history 油页岩 yóuyèyán oil shale Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 油页岩/油頁岩 · yóuyèyán · oil shale 2026/03/04 油页岩 / 油頁岩 yóuyèyán oil shale oil shale 这个地区蕴藏着丰富的油页岩资源。 created sense Mar 4, 2026, 02:25 AM