Read Edit View history 岩石学 yánshíxué petrology Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 岩石学/岩石學 · yánshíxué · petrology 2026/03/04 岩石学 / 岩石學 yánshíxué petrology the branch of geology that studies the origin, composition, structure, and classification of rocks 岩石学是地质学的一个重要分支。 noun created sense Mar 4, 2026, 02:25 AM