MOS

名词 mo:

1. a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
   同义词：molybdenum, Mo, atomic number 42
2. 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, MO

1. Half a mo (ie Wait a little), I'm not quite ready.
   等一下，我还没完全准备好。