venting
  通風; 排氣; 鑄型出氣; 扎氣眼
  Vent, v. t. [imp. & p. p. Vented; p. pr. & vb. n. Venting.]
  1. To let out at a vent, or small aperture; to give passage or outlet to.
  2. To suffer to escape from confinement; to let out; to utter; to pour forth; as, to vent passion or complaint.
     The queen of heaven did thus her fury vent.   --Dryden.
  3. To utter; to report; to publish.  [Obs.]
     By mixing somewhat true to vent more lies.   --Milton.
     Thou hast framed and vented very curious orations.   --Barrow.
  4. To scent, as a hound.  [Obs.]
  5. To furnish with a vent; to make a vent in; as, to vent. a mold.
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  venting
       n : the act of venting [syn: discharge]