red mud

短语

释义与例句

n.
  1. 1.

    A mixture of solid and metallic oxide-bearing impurities that is a waste product of bauxite refinement.

    不可数
  2. 2.

    Used other than figuratively or idiomatically: see red, mud.

    不可数

词源

Named for its red color, which comes mostly from iron(III) oxide.

来源：wiktionary