/ˈmetl ||; ˈmɛtḷ/noun [C,U] a type of solid substance that is usually hard and shiny and that heat and electricity can travel through 金属: metals such as tin, iron, gold and steel 锡、铁、金及钢之类的金属to recycle scrap metal 将废金属回收再利用a metal bar/pipe 金属棒╱管