2. Pure metal (such as pure gold, pure silver, pure copper, pure iron, etc. ) extended meaning: a ceremonial weapon made of pure copper or pure iron.
3. Cheng: Pinyin: Ché ng; Simplified Chinese part: Cheng; Total number of strokes:11; Stroke order: left, horizontal, horizontal, horizontal, vertical, horizontal, left, horizontal hook, oblique hook, left and dot.