red mud

名词 n.
中文释义

英文释义

名词 n.
  1. A mixture of solid and metallic oxide-bearing impurities that is a waste product of bauxite refinement. uncountable
  2. Used other than figuratively or idiomatically: see red, mud. uncountable

词源

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