金属键 jīnshǔjiàn metallic bond Origin Definitions Defs Strokes Stroke Words Sentences Sents 金属 金屬 jīnshǔ noun metal a chemical element or substance that is typically hard, opaque, shiny, and has good electrical and thermal conductivity; commonly refers to materials such as gold, silver, copper, and iron键 鍵 jiàn chemical bond (bound form) chemical bond