puffing
  晶脹現象; 撲氣; 急噴出
  Puff, v. i. [imp. & p. p. Puffed p. pr. & vb. n. Puffing.]
  1. To blow in puffs, or with short and sudden whiffs.
  2. To blow, as an expression of scorn; -- with at.
     It is really to defy Heaven to puff at damnation.   --South.
  3. To breathe quick and hard, or with puffs, as after violent exertion.
     The ass comes back again, puffing and blowing, from the chase.   --L' Estrange.
  4. To swell with air; to be dilated or inflated.
  5. To breathe in a swelling, inflated, or pompous manner; hence, to assume importance.
     Then came brave Glory puffing by.   --Herbert.
  Puff·ing, a. & n. from Puff, v. i. & t.
  Puffing adder. Zool. Same as Puff adder (b), under Puff.
  Puffing pig Zool., the common porpoise.
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  puffing
       adj : breathing heavily [syn: huffing, puffy]
       n 1: blowing tobacco smoke out into the air; "they smoked up the
            room with their ceaseless puffing"
       2: an act of forcible exhalation [syn: huffing, snorting]