base metal

英 [ˌbeɪs ˈmetl]

美 [ˌbeɪs ˈmetl]

n.  贱金属

医学化学

牛津词典

noun

• 贱金属
  a metal that is not a precious metal such as gold

柯林斯词典

• 普通金属，贱金属（如铜、锌、锡和铅等）
  Abase metalis a metal such as copper, zinc, tin, or lead that is not a precious metal.

英英释义

noun

• a metal that is common and not considered precious
  1. lead, iron, copper, tin, and zinc are base metals

双语例句