Read Edit View history 冶金学 yějīnxué metallurgy Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 冶金学/冶金學 · yějīnxué · metallurgy 2026/03/04 冶金学 / 冶金學 yějīnxué metallurgy metallurgy 他大学的主修专业是冶金学。 noun created sense Mar 4, 2026, 02:25 AM