plugging
  塞住
  Plug v. t. [imp. & p. p. Plugged p. pr. & vb. n. Plugging ] To stop with a plug; to make tight by stopping a hole.
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  Plug·ging, n.
  1. The act of stopping with a plug.
  2. The material of which a plug or stopple is made.
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  plug
       n 1: blockage consisting of an object designed to fill a hole
            tightly [syn: stopper, stopple]
       2: a wad of something chewable as tobacco [syn: chew, chaw,
           cud, quid, wad]
       3: blatant or sensational promotion [syn: ballyhoo, hoopla,
           hype]
       4: electrical device that fits into the cylinder head of an
          internal-combustion engine and ignites the gas by means of
          an electric spark [syn: spark plug, sparking plug]
       5: an electrical device with two or three pins that is inserted
          in a socket to make an electrical connection [syn: male
          plug]
       6: an upright hydrant for drawing water to use in fighting a
          fire [syn: fireplug, fire hydrant]
       7: an old or over-worked horse [syn: hack, jade, nag]
       v 1: fill or close tightly with or as if with a plug; "plug the
            hole"; "stop up the leak" [syn: stop up, secure]
       2: persist in working hard; "Students must plug away at this
          problem" [syn: plug away]
       3: deliver a quick blow to; "he punched me in the stomach"
          [syn: punch]
       4: make a plug for; praise the qualities or in order to sell or
          promote
       [also: plugging, plugged]