Read Edit View history 冶金 yějīn metallurgy Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 冶金 · yějīn · metallurgy 2026/03/04 冶金 yějīn metallurgy metallurgy 他在大学学习冶金工程。 noun created sense Mar 4, 2026, 02:25 AM