pitching
 鋪地石,鋪石地,俛仰


 Pitch, v. t. [imp. & p. p. Pitched p. pr. & vb. n. Pitching.]
 1. To cover over or smear with pitch.
 2. Fig.: To darken; to blacken; to obscure.
    The welkin pitched with sullen could.   --Addison.


 Pitch·ing, n.
 1. The act of throwing or casting; a cast; a pitch; as, wild pitching in baseball.
 2. The rough paving of a street to a grade with blocks of stone.
 3. Hydraul. Eng. A facing of stone laid upon a bank to prevent wear by tides or currents.
 Pitching piece Carp., the horizontal timber supporting the floor of a platform of a stairway, and against which the stringpieces of the sloping parts are supported.

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 pitching
      n 1: (baseball) playing the position of pitcher on a baseball
           team
      2: abrupt up-and-down motion (as caused by a ship or other
         conveyance); "the pitching and tossing was quite exciting"
         [syn: lurch, pitch]