bi metallic

英 美
  • adj.双金属的
  • bi n.[化]元素铋(bismuth)的符号bi-:pref.;表示“二;双”
  • metallic adj.金属的;金属般的
形容词 bimetallic:
  1. pertaining to a monetary system based on two metals

  2. formed of two different metals or alloys; especially in sheets bonded together