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资料来源 : Webster's Revised Unabridged Dictionary (1913)

Underrun \Un`der*run"\, v. t.

   {To underrun a hose} (Naut.), to lift it up at one end, then
      walk along shifting one hand after another so that the
      water will run out. Underslung \Un"der*slung`\, Underhung
\Un"der*hung"\, a.
   Of an automobile body, suspended from the springs in such a
   manner that the frame of the chassis is below the axles, the
   object being to lower the center of gravity of the car.

Underrun \Un`der*run"\, v. t.
   To run or pass under; especially (Naut.), to pass along and
   under, as a cable, for the purpose of taking it in, or of
   examining it.

   Note: The cable passes over the bows and stern of the boat
         used, while the men haul the boat along by pulling upon
         the cable. --Totten.

   {To underrun a tackle} (Naut.), to separate its parts and put
      them in order.