mo

• n.
  • a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel

    同义词： molybdenum atomic number 42

  • a midwestern state in central United States; a border state during the American Civil War, Missouri was admitted to the Confederacy without actually seceding from the Union

    同义词： Missouri Show Me State

以上来源于: WordNet