lancing
  氣切割; 切縫; 切口; 氧斷
  Lance, v. t. [imp. & p. p. Lanced p. pr. & vb. n. Lancing ]
  1. To pierce with a lance, or with any similar weapon.
  Seized the due victim, and with fury lanced
  Her back.   --Dryden.
  2. To open with a lancet; to pierce; as, to lance a vein or an abscess.
  3. To throw in the manner of a lance. See Lanch.
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